diff --git a/AGENTS.md b/AGENTS.md
index e6dfd8792..370ec59d0 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -37,6 +37,7 @@
 - one file can have many components
 - all texts should be provided translations via the i18next library's `useTranslations` hook's `t` function
 - instead of `&&` operator for conditional rendering, use the ternary operator
+- for localized user-readable time strings use `<LocaleTime />`, `<LocaleTimeRange>` or `useFormatDistanceToNow`. If needed use `useDateTimeFormat` directly. NEVER use e.g. `toLocaleString` directly as it does not include users' language selection.
 
 ## Remix/React Router
 
diff --git a/app/components/BuildCard.tsx b/app/components/BuildCard.tsx
index 26c9f6ed8..b70079530 100644
--- a/app/components/BuildCard.tsx
+++ b/app/components/BuildCard.tsx
@@ -5,15 +5,12 @@ import { Link } from "react-router";
 import type { GearType, Tables, UserWithPlusTier } from "~/db/tables";
 import { useUser } from "~/features/auth/core/user";
 import type { BuildWeaponWithTop500Info } from "~/features/builds/builds-types";
-import { useHydrated } from "~/hooks/useHydrated";
-import { useTimeFormat } from "~/hooks/useTimeFormat";
 import type {
 	Ability as AbilityType,
 	BuildAbilitiesTuple,
 	ModeShort,
 } from "~/modules/in-game-lists/types";
 import { altWeaponIdToId } from "~/modules/in-game-lists/weapon-ids";
-import { databaseTimestampToDate } from "~/utils/dates";
 import { gearTypeToInitial } from "~/utils/strings";
 import {
 	analyzerPage,
@@ -31,6 +28,7 @@ import { LinkButton, SendouButton } from "./elements/Button";
 import { SendouPopover } from "./elements/Popover";
 import { FormWithConfirm } from "./FormWithConfirm";
 import { Image } from "./Image";
+import { LocaleTime } from "./LocaleTime";
 
 interface BuildProps {
 	build: Pick<
@@ -55,8 +53,6 @@ interface BuildProps {
 export function BuildCard({ build, owner, canEdit = false }: BuildProps) {
 	const user = useUser();
 	const { t } = useTranslation(["weapons", "builds", "common", "game-misc"]);
-	const { formatDate } = useTimeFormat();
-	const isHydrated = useHydrated();
 
 	const {
 		id,
@@ -122,17 +118,15 @@ export function BuildCard({ build, owner, canEdit = false }: BuildProps) {
 								<Lock size={16} /> {t("common:build.private")}
 							</div>
 						) : null}
-						<time
-							className={clsx("whitespace-nowrap", { invisible: !isHydrated })}
-						>
-							{isHydrated
-								? formatDate(databaseTimestampToDate(updatedAt), {
-										day: "numeric",
-										month: "numeric",
-										year: "numeric",
-									})
-								: "t"}
-						</time>
+						<LocaleTime
+							date={updatedAt}
+							options={{
+								day: "numeric",
+								month: "numeric",
+								year: "numeric",
+							}}
+							className="whitespace-nowrap"
+						/>
 					</div>
 				</div>
 			</div>
diff --git a/app/components/Chart.tsx b/app/components/Chart.tsx
index 3fe9fc542..8dfafc8b4 100644
--- a/app/components/Chart.tsx
+++ b/app/components/Chart.tsx
@@ -3,8 +3,8 @@ import * as React from "react";
 import { type AxisOptions, Chart as ReactChart } from "react-charts";
 import type { TooltipRendererProps } from "react-charts/types/components/TooltipRenderer";
 import { Theme, useTheme } from "~/features/theme/core/provider";
+import { useDateTimeFormat } from "~/hooks/intl/useDateTimeFormat";
 import { useHydrated } from "~/hooks/useHydrated";
-import { useTimeFormat } from "~/hooks/useTimeFormat";
 import styles from "./Chart.module.css";
 
 export default function Chart({
@@ -24,7 +24,10 @@ export default function Chart({
 }) {
 	const theme = useTheme();
 	const isHydrated = useHydrated();
-	const { formatDate } = useTimeFormat();
+	const { formatter: scaleFormatter } = useDateTimeFormat({
+		day: "numeric",
+		month: "numeric",
+	});
 
 	const primaryAxis = React.useMemo<
 		AxisOptions<(typeof options)[number]["data"][number]>
@@ -37,17 +40,14 @@ export default function Chart({
 			formatters: {
 				scale: (val: any) => {
 					if (val instanceof Date) {
-						return formatDate(val, {
-							day: "numeric",
-							month: "numeric",
-						});
+						return scaleFormatter.format(val);
 					}
 
 					return val;
 				},
 			},
 		}),
-		[formatDate, xAxis],
+		[scaleFormatter, xAxis],
 	);
 
 	const secondaryAxes = React.useMemo<
@@ -105,7 +105,11 @@ function ChartTooltip({
 	headerSuffix = "",
 	valueSuffix = "",
 }: ChartTooltipProps) {
-	const { formatDate } = useTimeFormat();
+	const { formatter: headerFormatter } = useDateTimeFormat({
+		weekday: "short",
+		day: "numeric",
+		month: "numeric",
+	});
 	const dataPoints = focusedDatum?.interactiveGroup ?? [];
 
 	const header = () => {
@@ -113,11 +117,7 @@ function ChartTooltip({
 		if (!primaryValue) return null;
 
 		if (primaryValue instanceof Date) {
-			return formatDate(primaryValue, {
-				weekday: "short",
-				day: "numeric",
-				month: "numeric",
-			});
+			return headerFormatter.format(primaryValue);
 		}
 
 		return primaryValue;
diff --git a/app/components/EventsList.tsx b/app/components/EventsList.tsx
index a8b57200b..6ada6f1aa 100644
--- a/app/components/EventsList.tsx
+++ b/app/components/EventsList.tsx
@@ -1,8 +1,8 @@
 import { isToday, isTomorrow } from "date-fns";
 import { useTranslation } from "react-i18next";
 import type { SidebarEvent } from "~/features/sidebar/core/sidebar.server";
+import { useDateTimeFormat } from "~/hooks/intl/useDateTimeFormat";
 import { useHydrated } from "~/hooks/useHydrated";
-import { useTimeFormat } from "~/hooks/useTimeFormat";
 import styles from "./EventsList.module.css";
 import { Placeholder } from "./Placeholder";
 import { ListLink } from "./SideNav";
@@ -15,7 +15,15 @@ export function EventsList({
 	onClick?: () => void;
 }) {
 	const { t, i18n } = useTranslation(["front"]);
-	const { formatDate, formatTime } = useTimeFormat();
+	const { formatter: dateFormatter } = useDateTimeFormat({
+		weekday: "long",
+		month: "numeric",
+		day: "numeric",
+	});
+	const { formatter: timeFormatter } = useDateTimeFormat({
+		hour: "numeric",
+		minute: "2-digit",
+	});
 	const isHydrated = useHydrated();
 
 	if (events.length === 0) {
@@ -50,11 +58,7 @@ export function EventsList({
 			const str = rtf.format(1, "day");
 			return str.charAt(0).toUpperCase() + str.slice(1);
 		}
-		return formatDate(date, {
-			weekday: "long",
-			month: "numeric",
-			day: "numeric",
-		});
+		return dateFormatter.format(date);
 	};
 
 	const groupedEvents = events.reduce<Record<string, typeof events>>(
@@ -85,7 +89,7 @@ export function EventsList({
 								key={`${event.type}-${event.id}`}
 								to={event.url}
 								imageUrl={event.logoUrl ?? undefined}
-								subtitle={formatTime(new Date(event.startTime * 1000))}
+								subtitle={timeFormatter.format(event.startTime)}
 								onClick={onClick}
 							>
 								{event.scrimStatus === "booked"
diff --git a/app/components/LocaleTime.tsx b/app/components/LocaleTime.tsx
new file mode 100644
index 000000000..4aee47ec6
--- /dev/null
+++ b/app/components/LocaleTime.tsx
@@ -0,0 +1,49 @@
+import clsx from "clsx";
+import { useDateTimeFormat } from "~/hooks/intl/useDateTimeFormat";
+import { databaseTimestampToDate } from "~/utils/dates";
+
+interface LocaleTimeProps {
+	/** The date to render. Accepts a `Date` or a database timestamp (number), which is converted via `databaseTimestampToDate`. */
+	date: Date | number;
+	/** Formatting options forwarded to `Intl.DateTimeFormat`. Combined with the user's locale and hour cycle preferences. */
+	options: Intl.DateTimeFormatOptions;
+	/** Optional extra class names appended to the rendered `<time>` element. */
+	className?: string;
+	/** When `true`, renders inline; otherwise the element is displayed as a block. Defaults to block. */
+	inline?: boolean;
+}
+
+/**
+ * Renders a `<time>` element with the given date formatted according to the user's locale preferences.
+ *
+ * During SSR and before the user's locale preference has loaded the formatted text is hidden
+ * (via `invisible`) while still reserving one line of height to avoid layout shift on hydration.
+ * The `dateTime` attribute is always set to the ISO string for machine readability and a11y.
+ */
+export function LocaleTime({
+	date,
+	options,
+	className,
+	inline,
+}: LocaleTimeProps) {
+	const { formatter, isLoaded } = useDateTimeFormat(options);
+
+	const dateObject =
+		typeof date === "number" ? databaseTimestampToDate(date) : date;
+
+	return (
+		<time
+			dateTime={dateObject.toISOString()}
+			className={clsx(
+				"reserve-one-lb",
+				{
+					block: !inline,
+					invisible: !isLoaded,
+				},
+				className,
+			)}
+		>
+			{formatter.format(dateObject)}
+		</time>
+	);
+}
diff --git a/app/components/LocaleTimeRange.tsx b/app/components/LocaleTimeRange.tsx
new file mode 100644
index 000000000..71b517b4f
--- /dev/null
+++ b/app/components/LocaleTimeRange.tsx
@@ -0,0 +1,53 @@
+import clsx from "clsx";
+import { useDateTimeFormat } from "~/hooks/intl/useDateTimeFormat";
+import { databaseTimestampToDate } from "~/utils/dates";
+
+interface LocaleTimeRangeProps {
+	/** Start of the range. Accepts a `Date` or a database timestamp (number), which is converted via `databaseTimestampToDate`. */
+	from: Date | number;
+	/** End of the range. Accepts a `Date` or a database timestamp (number), which is converted via `databaseTimestampToDate`. */
+	to: Date | number;
+	/** Formatting options forwarded to `Intl.DateTimeFormat`. Combined with the user's locale and hour cycle preferences. */
+	options: Intl.DateTimeFormatOptions;
+	/** Optional extra class names appended to the rendered element. */
+	className?: string;
+	/** When `true`, renders inline; otherwise the element is displayed as a block. Defaults to block. */
+	inline?: boolean;
+}
+
+/**
+ * Renders the given date range formatted according to the user's locale preferences,
+ * using `Intl.DateTimeFormat.prototype.formatRange` for locale-aware separators and
+ * collapsing of shared parts (e.g. the year when both bounds share it).
+ *
+ * During SSR and before the user's locale preference has loaded the formatted text is hidden
+ * (via `invisible`) while still reserving one line of height to avoid layout shift on hydration.
+ */
+export function LocaleTimeRange({
+	from,
+	to,
+	options,
+	className,
+	inline,
+}: LocaleTimeRangeProps) {
+	const { formatter, isLoaded } = useDateTimeFormat(options);
+
+	const fromDate =
+		typeof from === "number" ? databaseTimestampToDate(from) : from;
+	const toDate = typeof to === "number" ? databaseTimestampToDate(to) : to;
+
+	return (
+		<span
+			className={clsx(
+				"reserve-one-lb",
+				{
+					block: !inline,
+					invisible: !isLoaded,
+				},
+				className,
+			)}
+		>
+			{formatter.formatRange(fromDate, toDate)}
+		</span>
+	);
+}
diff --git a/app/components/RelativeTime.tsx b/app/components/RelativeTime.tsx
index bbfff6edc..f37ab7ff0 100644
--- a/app/components/RelativeTime.tsx
+++ b/app/components/RelativeTime.tsx
@@ -1,6 +1,5 @@
 import type * as React from "react";
-import { useHydrated } from "~/hooks/useHydrated";
-import { useTimeFormat } from "~/hooks/useTimeFormat";
+import { useDateTimeFormat } from "~/hooks/intl/useDateTimeFormat";
 
 export function RelativeTime({
 	children,
@@ -9,24 +8,15 @@ export function RelativeTime({
 	children: React.ReactNode;
 	timestamp: number;
 }) {
-	const isHydrated = useHydrated();
-	const { formatDateTime } = useTimeFormat();
+	const { formatter } = useDateTimeFormat({
+		hour: "numeric",
+		minute: "numeric",
+		day: "numeric",
+		month: "numeric",
+		timeZoneName: "short",
+	});
 
 	return (
-		<abbr
-			title={
-				isHydrated
-					? formatDateTime(new Date(timestamp), {
-							hour: "numeric",
-							minute: "numeric",
-							day: "numeric",
-							month: "numeric",
-							timeZoneName: "short",
-						})
-					: undefined
-			}
-		>
-			{children}
-		</abbr>
+		<abbr title={formatter.format(timestamp) ?? undefined}>{children}</abbr>
 	);
 }
diff --git a/app/components/StreamListItems.tsx b/app/components/StreamListItems.tsx
index cc1917c71..3bbe9a584 100644
--- a/app/components/StreamListItems.tsx
+++ b/app/components/StreamListItems.tsx
@@ -4,8 +4,9 @@ import * as React from "react";
 import { useTranslation } from "react-i18next";
 import { useFetcher } from "react-router";
 import type { SidebarStream } from "~/features/core/streams/streams.server";
+import { useDateTimeFormat } from "~/hooks/intl/useDateTimeFormat";
+import { useFormatDistanceToNow } from "~/hooks/intl/useFormatDistanceToNow";
 import { useHydrated } from "~/hooks/useHydrated";
-import { useTimeFormat } from "~/hooks/useTimeFormat";
 import { databaseTimestampToDate } from "~/utils/dates";
 import { navIconUrl, tournamentRegisterPage } from "~/utils/urls";
 import { Image } from "./Image";
@@ -25,12 +26,22 @@ export function StreamListItems({
 	savedTournamentIds?: number[];
 }) {
 	const { t, i18n } = useTranslation(["front"]);
-	const { formatDateTime, formatTime, formatDistanceToNow } = useTimeFormat();
+	const formatDistanceToNow = useFormatDistanceToNow();
+	const { formatter: timeFormatter } = useDateTimeFormat({
+		hour: "numeric",
+		minute: "numeric",
+	});
+	const { formatter: dateTimeFormatter } = useDateTimeFormat({
+		month: "numeric",
+		day: "numeric",
+		hour: "numeric",
+		minute: "numeric",
+	});
 	const isHydrated = useHydrated();
 
 	const formatRelativeDate = (timestamp: number) => {
 		const date = new Date(timestamp * 1000);
-		const timeStr = formatTime(date);
+		const timeStr = timeFormatter.format(date);
 
 		if (isToday(date)) {
 			const rtf = new Intl.RelativeTimeFormat(i18n.language, {
@@ -47,12 +58,7 @@ export function StreamListItems({
 			return `${dayStr.charAt(0).toUpperCase() + dayStr.slice(1)}, ${timeStr}`;
 		}
 
-		return formatDateTime(date, {
-			month: "numeric",
-			day: "numeric",
-			hour: "numeric",
-			minute: "2-digit",
-		});
+		return dateTimeFormatter.format(date);
 	};
 
 	return (
diff --git a/app/components/TimePopover.tsx b/app/components/TimePopover.tsx
index 259353792..4e2b7d855 100644
--- a/app/components/TimePopover.tsx
+++ b/app/components/TimePopover.tsx
@@ -5,9 +5,9 @@ import { useRef, useState } from "react";
 import { Dialog, Popover } from "react-aria-components";
 import { useTranslation } from "react-i18next";
 import { useCopyToClipboard } from "react-use";
-import { useTimeFormat } from "~/hooks/useTimeFormat";
 import { SendouButton } from "./elements/Button";
 import popoverStyles from "./elements/Popover.module.css";
+import { LocaleTime } from "./LocaleTime";
 import styles from "./TimePopover.module.css";
 
 export default function TimePopover({
@@ -28,8 +28,6 @@ export default function TimePopover({
 	className?: string;
 	footerText?: string;
 }) {
-	const { formatDateTimeSmartMinutes, formatTime } = useTimeFormat();
-
 	const [open, setOpen] = useState(false);
 
 	const triggerRef = useRef(null);
@@ -63,7 +61,7 @@ export default function TimePopover({
 					setOpen(true);
 				}}
 			>
-				{formatDateTimeSmartMinutes(time, options)}
+				<LocaleTime date={time} options={options} inline />
 			</button>
 			<Popover
 				isOpen={open}
@@ -73,12 +71,15 @@ export default function TimePopover({
 			>
 				<Dialog className={popoverStyles.dialog}>
 					<div className="stack sm">
-						<div className="text-center" suppressHydrationWarning>
-							{formatTime(time, {
-								timeZoneName: "long",
-								hour: "numeric",
-								minute: "2-digit",
-							})}
+						<div className="text-center">
+							<LocaleTime
+								date={time}
+								options={{
+									timeZoneName: "long",
+									hour: "numeric",
+									minute: "numeric",
+								}}
+							/>
 						</div>
 						<SendouButton
 							size="miniscule"
diff --git a/app/components/elements/TournamentSearch.tsx b/app/components/elements/TournamentSearch.tsx
index db4d6da1d..0a3d701ca 100644
--- a/app/components/elements/TournamentSearch.tsx
+++ b/app/components/elements/TournamentSearch.tsx
@@ -21,8 +21,7 @@ import { useDebounce } from "react-use";
 import { SendouBottomTexts } from "~/components/elements/BottomTexts";
 import { SendouLabel } from "~/components/elements/Label";
 import type { TournamentSearchLoaderData } from "~/features/tournament/routes/to.search";
-import { useTimeFormat } from "~/hooks/useTimeFormat";
-import { databaseTimestampToDate } from "~/utils/dates";
+import { LocaleTime } from "../LocaleTime";
 
 import selectStyles from "./Select.module.css";
 import tournamentSearchStyles from "./TournamentSearch.module.css";
@@ -151,7 +150,6 @@ function TournamentItem({
 		  };
 }) {
 	const { t } = useTranslation(["common"]);
-	const { formatDate } = useTimeFormat();
 
 	if (typeof item.id === "string") {
 		return (
@@ -167,15 +165,6 @@ function TournamentItem({
 		);
 	}
 
-	const additionalText = () => {
-		const date = databaseTimestampToDate(item.startTime);
-		return formatDate(date, {
-			day: "numeric",
-			month: "numeric",
-			year: "numeric",
-		});
-	};
-
 	return (
 		<ListBoxItem
 			id={item.id}
@@ -191,9 +180,15 @@ function TournamentItem({
 			<img src={item.logoUrl} alt="" className={tournamentSearchStyles.logo} />
 			<div className={tournamentSearchStyles.itemTextsContainer}>
 				<span>{item.name}</span>
-				<div className={tournamentSearchStyles.itemAdditionalText}>
-					{additionalText()}
-				</div>
+				<LocaleTime
+					date={item.startTime}
+					options={{
+						day: "numeric",
+						month: "numeric",
+						year: "numeric",
+					}}
+					className={tournamentSearchStyles.itemAdditionalText}
+				/>
 			</div>
 		</ListBoxItem>
 	);
diff --git a/app/components/layout/ChatSidebar.tsx b/app/components/layout/ChatSidebar.tsx
index 5eb90a9ec..50eea44eb 100644
--- a/app/components/layout/ChatSidebar.tsx
+++ b/app/components/layout/ChatSidebar.tsx
@@ -11,7 +11,7 @@ import {
 import { resolveDatePlaceholders } from "~/features/chat/chat-utils";
 import { Chat } from "~/features/chat/components/Chat";
 import { useChatContext } from "~/features/chat/useChatContext";
-import { useTimeFormat } from "~/hooks/useTimeFormat";
+import { useDateTimeFormat } from "~/hooks/intl/useDateTimeFormat";
 import sideNavStyles from "../SideNav.module.css";
 import styles from "./ChatSidebar.module.css";
 
@@ -65,7 +65,16 @@ function LoadingState({ onClose }: { onClose?: () => void }) {
 function RoomList({ onClose }: { onClose?: () => void }) {
 	const { t } = useTranslation(["common"]);
 	const chatContext = useChatContext()!;
-	const { formatDateTime } = useTimeFormat();
+	const { formatter: headerFormatter } = useDateTimeFormat({
+		month: "numeric",
+		day: "numeric",
+		hour: "numeric",
+		minute: "numeric",
+	});
+	const { formatter: timestampFormatter } = useDateTimeFormat({
+		hour: "numeric",
+		minute: "numeric",
+	});
 
 	const rawRouteChatCode = useCurrentRouteChatCode();
 	const routeChatCodes = rawRouteChatCode
@@ -127,13 +136,9 @@ function RoomList({ onClose }: { onClose?: () => void }) {
 											room.isObsolete ? "line-through" : null,
 										)}
 									>
-										{resolveDatePlaceholders(room.header, (d) =>
-											formatDateTime(d, {
-												month: "numeric",
-												day: "numeric",
-												hour: "numeric",
-												minute: "numeric",
-											}),
+										{resolveDatePlaceholders(
+											room.header,
+											(d) => headerFormatter.format(d) ?? "",
 										)}
 									</span>
 									<span className={sideNavStyles.listLinkSubtitle}>
@@ -144,10 +149,9 @@ function RoomList({ onClose }: { onClose?: () => void }) {
 									<span className={styles.unreadBadge}>{unread}</span>
 								) : room.lastMessageTimestamp > 0 ? (
 									<span className={styles.roomTimestamp}>
-										{formatDateTime(new Date(room.lastMessageTimestamp), {
-											hour: "numeric",
-											minute: "numeric",
-										})}
+										{timestampFormatter.format(
+											new Date(room.lastMessageTimestamp),
+										)}
 									</span>
 								) : null}
 							</Button>
@@ -163,7 +167,12 @@ function ChatView({ onClose }: { onClose?: () => void }) {
 	const { t } = useTranslation(["common"]);
 	const chatContext = useChatContext()!;
 	const activeRoom = chatContext.activeRoom!;
-	const { formatDateTime } = useTimeFormat();
+	const { formatter: headerFormatter } = useDateTimeFormat({
+		month: "numeric",
+		day: "numeric",
+		hour: "numeric",
+		minute: "numeric",
+	});
 
 	const otherRoomsUnreadCount = Object.entries(chatContext.unreadCounts)
 		.filter(([code]) => code !== activeRoom)
@@ -234,13 +243,7 @@ function ChatView({ onClose }: { onClose?: () => void }) {
 				>
 					{resolveDatePlaceholders(
 						room?.header ?? t("common:chat.sidebar.title"),
-						(d) =>
-							formatDateTime(d, {
-								month: "numeric",
-								day: "numeric",
-								hour: "numeric",
-								minute: "numeric",
-							}),
+						(d) => headerFormatter.format(d) ?? "",
 					)}
 				</span>
 				{room?.subtitle ? (
diff --git a/app/components/layout/index.tsx b/app/components/layout/index.tsx
index 19743203a..e340bdda5 100644
--- a/app/components/layout/index.tsx
+++ b/app/components/layout/index.tsx
@@ -24,8 +24,8 @@ import { Link, useFetcher, useLocation, useMatches } from "react-router";
 import { useUser } from "~/features/auth/core/user";
 import { useChatContext } from "~/features/chat/useChatContext";
 import { FriendMenu } from "~/features/friends/components/FriendMenu";
+import { useDateTimeFormat } from "~/hooks/intl/useDateTimeFormat";
 import { useHydrated } from "~/hooks/useHydrated";
-import { useTimeFormat } from "~/hooks/useTimeFormat";
 import type { RootLoaderData } from "~/root";
 import type { Breadcrumb, SendouRouteHandle } from "~/utils/remix.server";
 import {
@@ -58,7 +58,16 @@ const MAX_DESKTOP_FRIENDS = 4;
 
 function useRelativeDayFormat() {
 	const { i18n } = useTranslation();
-	const { formatTime, formatDateTime } = useTimeFormat();
+	const { formatter: timeFormatter } = useDateTimeFormat({
+		hour: "numeric",
+		minute: "numeric",
+	});
+	const { formatter: dateTimeFormatter } = useDateTimeFormat({
+		month: "numeric",
+		day: "numeric",
+		hour: "numeric",
+		minute: "numeric",
+	});
 
 	const formatRelativeDay = (daysFromToday: number) => {
 		const rtf = new Intl.RelativeTimeFormat(i18n.language, { numeric: "auto" });
@@ -68,7 +77,7 @@ function useRelativeDayFormat() {
 
 	const formatRelativeDate = (timestamp: number) => {
 		const date = new Date(timestamp * 1000);
-		const timeStr = formatTime(date);
+		const timeStr = timeFormatter.format(date);
 
 		if (isToday(date)) {
 			return `${formatRelativeDay(0)}, ${timeStr}`;
@@ -77,12 +86,7 @@ function useRelativeDayFormat() {
 			return `${formatRelativeDay(1)}, ${timeStr}`;
 		}
 
-		return formatDateTime(date, {
-			month: "numeric",
-			day: "numeric",
-			hour: "numeric",
-			minute: "2-digit",
-		});
+		return dateTimeFormatter.format(date);
 	};
 
 	return { formatRelativeDate };
diff --git a/app/components/match-page/MatchJoinTab.tsx b/app/components/match-page/MatchJoinTab.tsx
index c6c1ad01e..b497fb934 100644
--- a/app/components/match-page/MatchJoinTab.tsx
+++ b/app/components/match-page/MatchJoinTab.tsx
@@ -2,7 +2,7 @@ import clsx from "clsx";
 import { QRCodeSVG } from "qrcode.react";
 import { useTranslation } from "react-i18next";
 import { Alert } from "~/components/Alert";
-import { useTimeFormat } from "~/hooks/useTimeFormat";
+import { useFormatDistanceToNow } from "~/hooks/intl/useFormatDistanceToNow";
 import { SendouButton } from "../elements/Button";
 import { SendouTabPanel } from "../elements/Tabs";
 import styles from "./MatchJoinTab.module.css";
@@ -34,7 +34,7 @@ export function MatchJoinTab({
 	isConfirming,
 }: MatchJoinTabProps) {
 	const { t } = useTranslation(["q"]);
-	const { formatDistanceToNow } = useTimeFormat();
+	const formatDistanceToNow = useFormatDistanceToNow();
 
 	return (
 		<SendouTabPanel id={TAB_KEYS.JOIN}>
diff --git a/app/components/match-page/MatchTimeline.tsx b/app/components/match-page/MatchTimeline.tsx
index 6c9a52827..eac81d22c 100644
--- a/app/components/match-page/MatchTimeline.tsx
+++ b/app/components/match-page/MatchTimeline.tsx
@@ -8,9 +8,8 @@ import {
 	X,
 } from "lucide-react";
 import { useTranslation } from "react-i18next";
+import { LocaleTime } from "~/components/LocaleTime";
 import type { GroupSkillDifference, UserSkillDifference } from "~/db/tables";
-import { useHydrated } from "~/hooks/useHydrated";
-import { useTimeFormat } from "~/hooks/useTimeFormat";
 import { shortStageName } from "~/modules/in-game-lists/stage-ids";
 import type {
 	MainWeaponId,
@@ -208,8 +207,6 @@ function TimelineHeader({
 
 function TimelineMapRow({ map }: { map: TimelineMap }) {
 	const { t } = useTranslation(["game-misc"]);
-	const isHydrated = useHydrated();
-	const { formatTime } = useTimeFormat();
 
 	const alphaPoints = map.points?.[0];
 	const bravoPoints = map.points?.[1];
@@ -225,13 +222,11 @@ function TimelineMapRow({ map }: { map: TimelineMap }) {
 				/>
 			</div>
 			<div className={styles.mapCenter}>
-				<time className={styles.mapTimestamp}>
-					{isHydrated ? (
-						formatTime(new Date(map.timestamp))
-					) : (
-						<div className="invisible">X</div>
-					)}
-				</time>
+				<LocaleTime
+					date={new Date(map.timestamp)}
+					options={{ hour: "numeric", minute: "numeric" }}
+					className={styles.mapTimestamp}
+				/>
 				<StageImage
 					stageId={map.stageId}
 					width={80}
diff --git a/app/db/tables.ts b/app/db/tables.ts
index cbbc3c2a2..fe172dd90 100644
--- a/app/db/tables.ts
+++ b/app/db/tables.ts
@@ -1001,15 +1001,6 @@ export interface UserPreferences {
 	 * "12h" = 12 hour format (e.g. 2:00 PM)
 	 * */
 	clockFormat?: "24h" | "12h" | "auto";
-	/**
-	 * What numeric date format the user prefers?
-	 *
-	 * "auto" = use the format the active language defaults to (default value)
-	 * "MDY" = month/day/year (e.g. 4/27/2026)
-	 * "DMY" = day/month/year (e.g. 27/04/2026)
-	 * "YMD" = ISO year-month-day (e.g. 2026-04-27)
-	 * */
-	dateFormat?: "auto" | "MDY" | "DMY" | "YMD";
 	/** Is the new widget based user page enabled? (Supporter early preview) */
 	newProfileEnabled?: boolean;
 	/** Is spoiler-free mode enabled? Hides recent tournament results and scores until the user chooses to reveal them. */
diff --git a/app/features/art/components/ArtGrid.tsx b/app/features/art/components/ArtGrid.tsx
index 379e0867a..98d0435f2 100644
--- a/app/features/art/components/ArtGrid.tsx
+++ b/app/features/art/components/ArtGrid.tsx
@@ -8,10 +8,11 @@ import { LinkButton, SendouButton } from "~/components/elements/Button";
 import { SendouDialog } from "~/components/elements/Dialog";
 import { FormWithConfirm } from "~/components/FormWithConfirm";
 import { Pagination } from "~/components/Pagination";
+import { useDateTimeFormat } from "~/hooks/intl/useDateTimeFormat";
+import { useFormatDistanceToNow } from "~/hooks/intl/useFormatDistanceToNow";
 import { useHydrated } from "~/hooks/useHydrated";
 import { usePagination } from "~/hooks/usePagination";
 import { useSearchParamState } from "~/hooks/useSearchParamState";
-import { useTimeFormat } from "~/hooks/useTimeFormat";
 import { databaseTimestampToDate } from "~/utils/dates";
 import { artPage, newArtPage, userArtPage, userPage } from "~/utils/urls";
 import { ResponsiveMasonry } from "../../../modules/responsive-masonry/components/ResponsiveMasonry";
@@ -89,15 +90,15 @@ export function ArtGrid({
 
 function BigImageDialog({ close, art }: { close: () => void; art: ListedArt }) {
 	const [imageLoaded, setImageLoaded] = React.useState(false);
-	const { formatDate } = useTimeFormat();
+	const { formatter } = useDateTimeFormat({
+		year: "numeric",
+		month: "numeric",
+		day: "numeric",
+	});
 
 	return (
 		<SendouDialog
-			heading={formatDate(databaseTimestampToDate(art.createdAt), {
-				year: "numeric",
-				month: "numeric",
-				day: "numeric",
-			})}
+			heading={formatter.format(databaseTimestampToDate(art.createdAt)) ?? ""}
 			onClose={close}
 			isFullScreen
 		>
@@ -168,7 +169,7 @@ function ImagePreview({
 }) {
 	const [imageLoaded, setImageLoaded] = React.useState(false);
 	const { t } = useTranslation(["common", "art"]);
-	const { formatDistanceToNow } = useTimeFormat();
+	const formatDistanceToNow = useFormatDistanceToNow();
 
 	const img = (
 		// biome-ignore lint/a11y/noStaticElementInteractions: Biome v2 migration
diff --git a/app/features/articles/routes/a.$slug.tsx b/app/features/articles/routes/a.$slug.tsx
index 3ca9fa532..dcd68a7a3 100644
--- a/app/features/articles/routes/a.$slug.tsx
+++ b/app/features/articles/routes/a.$slug.tsx
@@ -1,9 +1,9 @@
 import * as React from "react";
 import type { MetaFunction } from "react-router";
 import { Link, useLoaderData } from "react-router";
+import { LocaleTime } from "~/components/LocaleTime";
 import { Main } from "~/components/Main";
 import { Markdown } from "~/components/Markdown";
-import { useTimeFormat } from "~/hooks/useTimeFormat";
 import invariant from "~/utils/invariant";
 import type { SendouRouteHandle } from "~/utils/remix.server";
 import {
@@ -53,20 +53,20 @@ export const meta: MetaFunction = (args) => {
 
 export default function ArticlePage() {
 	const data = useLoaderData<typeof loader>();
-	const { formatDate } = useTimeFormat();
 	return (
 		<Main>
 			<article className="article">
 				<h1>{data.title}</h1>
 				<div className="text-sm text-lighter">
 					by <Author /> •{" "}
-					<time>
-						{formatDate(new Date(data.date), {
+					<LocaleTime
+						date={new Date(data.date)}
+						options={{
 							day: "numeric",
 							month: "numeric",
 							year: "numeric",
-						})}
-					</time>
+						}}
+					/>
 				</div>
 				<Markdown>
 					{contentWithoutLeadingTitle(data.content, data.title)}
diff --git a/app/features/articles/routes/a.tsx b/app/features/articles/routes/a.tsx
index 04f0f1259..144184b11 100644
--- a/app/features/articles/routes/a.tsx
+++ b/app/features/articles/routes/a.tsx
@@ -1,8 +1,8 @@
 import { useTranslation } from "react-i18next";
 import type { MetaFunction } from "react-router";
 import { Link, useLoaderData } from "react-router";
+import { LocaleTime } from "~/components/LocaleTime";
 import { Main } from "~/components/Main";
-import { useTimeFormat } from "~/hooks/useTimeFormat";
 import type { SendouRouteHandle } from "~/utils/remix.server";
 import { ARTICLES_MAIN_PAGE, articlePage, navIconUrl } from "~/utils/urls";
 import { metaTags } from "../../../utils/remix";
@@ -31,7 +31,6 @@ export const meta: MetaFunction = (args) => {
 
 export default function ArticlesMainPage() {
 	const { t, i18n } = useTranslation(["common"]);
-	const { formatDate } = useTimeFormat();
 	const data = useLoaderData<typeof loader>();
 
 	return (
@@ -49,13 +48,14 @@ export default function ArticlesMainPage() {
 								}).format(article.authors.map((a) => a.name)),
 							})}{" "}
 							•{" "}
-							<time>
-								{formatDate(new Date(article.date), {
+							<LocaleTime
+								date={new Date(article.date)}
+								options={{
 									day: "numeric",
 									month: "numeric",
 									year: "numeric",
-								})}
-							</time>
+								}}
+							/>
 						</div>
 					</li>
 				))}
diff --git a/app/features/ban/routes/suspended.tsx b/app/features/ban/routes/suspended.tsx
index eda104133..5126bc707 100644
--- a/app/features/ban/routes/suspended.tsx
+++ b/app/features/ban/routes/suspended.tsx
@@ -1,6 +1,6 @@
 import { useLoaderData } from "react-router";
+import { LocaleTime } from "~/components/LocaleTime";
 import { Main } from "~/components/Main";
-import { useTimeFormat } from "~/hooks/useTimeFormat";
 import { databaseTimestampToDate } from "~/utils/dates";
 
 import { loader } from "../loaders/suspended.server";
@@ -9,7 +9,6 @@ export { loader };
 
 export default function SuspendedPage() {
 	const data = useLoaderData<typeof loader>();
-	const { formatDateTime } = useTimeFormat();
 
 	const ends = (() => {
 		if (!data.banned || data.banned === 1) return null;
@@ -22,15 +21,19 @@ export default function SuspendedPage() {
 			<h2>Account suspended</h2>
 			{data.reason ? <div>Reason: {data.reason}</div> : null}
 			{ends ? (
-				<div suppressHydrationWarning>
+				<div>
 					Ends:{" "}
-					{formatDateTime(ends, {
-						month: "numeric",
-						day: "numeric",
-						year: "numeric",
-						hour: "numeric",
-						minute: "numeric",
-					})}
+					<LocaleTime
+						date={ends}
+						options={{
+							month: "numeric",
+							day: "numeric",
+							year: "numeric",
+							hour: "numeric",
+							minute: "numeric",
+						}}
+						inline
+					/>
 				</div>
 			) : (
 				<div>
diff --git a/app/features/builds/components/FilterSection.tsx b/app/features/builds/components/FilterSection.tsx
index 281a27471..1c5efb5c3 100644
--- a/app/features/builds/components/FilterSection.tsx
+++ b/app/features/builds/components/FilterSection.tsx
@@ -5,7 +5,7 @@ import { Ability } from "~/components/Ability";
 import { SendouButton } from "~/components/elements/Button";
 import { ModeImage } from "~/components/Image";
 import { possibleApValues } from "~/features/build-analyzer/core/utils";
-import { useTimeFormat } from "~/hooks/useTimeFormat";
+import { useDateTimeFormat } from "~/hooks/intl/useDateTimeFormat";
 import { abilities } from "~/modules/in-game-lists/abilities";
 import { modesShort } from "~/modules/in-game-lists/modes";
 import type {
@@ -196,7 +196,11 @@ function DateFilter({
 	onChange: (filter: Partial<DateBuildFilter>) => void;
 }) {
 	const { t } = useTranslation(["builds"]);
-	const { formatDate } = useTimeFormat();
+	const { formatter: patchDateFormatter } = useDateTimeFormat({
+		day: "numeric",
+		month: "numeric",
+		year: "numeric",
+	});
 
 	const selectValue = () =>
 		PATCHES.some(({ date }) => date === filter.date) ? filter.date : "CUSTOM";
@@ -233,13 +237,7 @@ function DateFilter({
 
 					return (
 						<option key={patch} value={dateString}>
-							{patch} (
-							{formatDate(date, {
-								day: "numeric",
-								month: "numeric",
-								year: "numeric",
-							})}
-							)
+							{patch} ({patchDateFormatter.format(date) ?? ""})
 						</option>
 					);
 				})}
diff --git a/app/features/calendar/components/TournamentCard.tsx b/app/features/calendar/components/TournamentCard.tsx
index be39964c5..7320910bd 100644
--- a/app/features/calendar/components/TournamentCard.tsx
+++ b/app/features/calendar/components/TournamentCard.tsx
@@ -8,9 +8,9 @@ import { Flag } from "~/components/Flag";
 import { Image, ModeImage } from "~/components/Image";
 import { TierPill } from "~/components/TierPill";
 import { BadgeDisplay } from "~/features/badges/components/BadgeDisplay";
+import { useFormatDistanceToNow } from "~/hooks/intl/useFormatDistanceToNow";
 import { useHydrated } from "~/hooks/useHydrated";
 import { useSpoilerFree } from "~/hooks/useSpoilerFree";
-import { useTimeFormat } from "~/hooks/useTimeFormat";
 import { databaseTimestampToDate } from "~/utils/dates";
 import { navIconUrl } from "~/utils/urls";
 import type { CalendarEvent, ShowcaseCalendarEvent } from "../calendar-types";
@@ -20,39 +20,21 @@ import styles from "./TournamentCard.module.css";
 export function TournamentCard({
 	tournament,
 	className,
-	withRelativeTime = false,
 }: {
 	tournament: CalendarEvent | ShowcaseCalendarEvent;
 	className?: string;
-	withRelativeTime?: boolean;
 }) {
 	const isHydrated = useHydrated();
-	const { formatDateTimeSmartMinutes, formatDistanceToNow } = useTimeFormat();
+	const formatDistanceToNow = useFormatDistanceToNow();
 	const { isCensored, reveal } = useSpoilerFree();
 
 	const isShowcase = tournament.type === "showcase";
 	const isCalendar = tournament.type === "calendar";
 	const isHostedOnSendouInk = typeof tournament.isRanked === "boolean";
 
-	const time = () => {
-		if (!isShowcase) return null;
-		if (!isHydrated) return "Placeholder";
-
-		const date = databaseTimestampToDate(tournament.startTime);
-
-		if (withRelativeTime) {
-			return formatDistanceToNow(date, {
-				addSuffix: true,
-			});
-		}
-
-		return formatDateTimeSmartMinutes(date, {
-			month: "numeric",
-			day: "numeric",
-			hour: "numeric",
-			weekday: "short",
-		});
-	};
+	const startDate = isShowcase
+		? databaseTimestampToDate(tournament.startTime)
+		: null;
 
 	return (
 		<div
@@ -101,16 +83,16 @@ export function TournamentCard({
 						<TierPill tier={tournament.tentativeTier} isTentative />
 					) : null}
 				</div>
-				{isShowcase ? (
+				{startDate ? (
 					<time
 						className={clsx(styles.time, {
 							invisible: !isHydrated,
 						})}
-						dateTime={databaseTimestampToDate(
-							tournament.startTime,
-						).toISOString()}
+						dateTime={startDate.toISOString()}
 					>
-						{time()}
+						{isHydrated
+							? formatDistanceToNow(startDate, { addSuffix: true })
+							: "Placeholder"}
 					</time>
 				) : null}
 				{isCalendar ? (
diff --git a/app/features/calendar/routes/calendar.$id.tsx b/app/features/calendar/routes/calendar.$id.tsx
index dbd6a1a13..a786ac54c 100644
--- a/app/features/calendar/routes/calendar.$id.tsx
+++ b/app/features/calendar/routes/calendar.$id.tsx
@@ -7,6 +7,7 @@ import { Avatar } from "~/components/Avatar";
 import { LinkButton, SendouButton } from "~/components/elements/Button";
 import { FormWithConfirm } from "~/components/FormWithConfirm";
 import { Image } from "~/components/Image";
+import { LocaleTime } from "~/components/LocaleTime";
 import { Main } from "~/components/Main";
 import { MapPoolStages } from "~/components/MapPoolSelector";
 import { Placement } from "~/components/Placement";
@@ -14,8 +15,6 @@ import { Section } from "~/components/Section";
 import { Table } from "~/components/Table";
 import { useUser } from "~/features/auth/core/user";
 import { MapPool } from "~/features/map-list-generator/core/map-pool";
-import { useHydrated } from "~/hooks/useHydrated";
-import { useTimeFormat } from "~/hooks/useTimeFormat";
 import { databaseTimestampToDate } from "~/utils/dates";
 import type { SendouRouteHandle } from "~/utils/remix.server";
 import {
@@ -81,8 +80,6 @@ export default function CalendarEventPage() {
 	const user = useUser();
 	const data = useLoaderData<typeof loader>();
 	const { t } = useTranslation(["common", "calendar"]);
-	const isHydrated = useHydrated();
-	const { formatDateTime } = useTimeFormat();
 
 	return (
 		<Main className="stack lg">
@@ -99,18 +96,17 @@ export default function CalendarEventPage() {
 									number: i + 1,
 								})}
 							</span>
-							<time dateTime={databaseTimestampToDate(startTime).toISOString()}>
-								{isHydrated
-									? formatDateTime(databaseTimestampToDate(startTime), {
-											hour: "numeric",
-											minute: "numeric",
-											day: "numeric",
-											month: "numeric",
-											weekday: "long",
-											year: "numeric",
-										})
-									: null}
-							</time>
+							<LocaleTime
+								date={startTime}
+								options={{
+									hour: "numeric",
+									minute: "numeric",
+									day: "numeric",
+									month: "numeric",
+									weekday: "long",
+									year: "numeric",
+								}}
+							/>
 						</React.Fragment>
 					))}
 				</div>
diff --git a/app/features/calendar/routes/calendar.new.tsx b/app/features/calendar/routes/calendar.new.tsx
index bcd0bf4e8..4addf7dd5 100644
--- a/app/features/calendar/routes/calendar.new.tsx
+++ b/app/features/calendar/routes/calendar.new.tsx
@@ -22,8 +22,8 @@ import { SubmitButton } from "~/components/SubmitButton";
 import type { CalendarEventTag, Tables } from "~/db/tables";
 import { MapPool } from "~/features/map-list-generator/core/map-pool";
 import * as Progression from "~/features/tournament-bracket/core/Progression";
+import { useDateTimeFormat } from "~/hooks/intl/useDateTimeFormat";
 import { useHydrated } from "~/hooks/useHydrated";
-import { useTimeFormat } from "~/hooks/useTimeFormat";
 import type { RankedModeShort } from "~/modules/in-game-lists/types";
 import { useHasRole } from "~/modules/permissions/hooks";
 import {
@@ -137,7 +137,10 @@ export default function CalendarNewEventPage() {
 function TemplateTournamentForm() {
 	const { recentTournaments } = useLoaderData<typeof loader>();
 	const [eventId, setEventId] = React.useState("");
-	const { formatDate } = useTimeFormat();
+	const { formatter } = useDateTimeFormat({
+		month: "numeric",
+		day: "numeric",
+	});
 
 	if (!recentTournaments) return null;
 
@@ -153,13 +156,8 @@ function TemplateTournamentForm() {
 					>
 						<option value="">Select a template</option>
 						{recentTournaments.map((event) => (
-							<option key={event.id} value={event.id} suppressHydrationWarning>
-								{event.name} (
-								{formatDate(databaseTimestampToDate(event.startTime), {
-									month: "numeric",
-									day: "numeric",
-								})}
-								)
+							<option key={event.id} value={event.id}>
+								{event.name} ({formatter.format(event.startTime) ?? ""})
 							</option>
 						))}
 					</select>
diff --git a/app/features/calendar/routes/calendar.tsx b/app/features/calendar/routes/calendar.tsx
index 885475495..172d5f5e9 100644
--- a/app/features/calendar/routes/calendar.tsx
+++ b/app/features/calendar/routes/calendar.tsx
@@ -19,10 +19,11 @@ import {
 } from "~/components/elements/Button";
 import { SendouCalendar } from "~/components/elements/Calendar";
 import { SendouPopover } from "~/components/elements/Popover";
+import { LocaleTime } from "~/components/LocaleTime";
+import { LocaleTimeRange } from "~/components/LocaleTimeRange";
 import { Main } from "~/components/Main";
 import { DAYS_SHOWN_AT_A_TIME } from "~/features/calendar/calendar-constants";
 import { useCollapsableEvents } from "~/features/calendar/calendar-hooks";
-import { useTimeFormat } from "~/hooks/useTimeFormat";
 import { dayMonthYearToDateValue } from "~/utils/dates";
 import { metaTags } from "~/utils/remix";
 import type { SendouRouteHandle } from "~/utils/remix.server";
@@ -144,16 +145,10 @@ function NavigateButton({
 	daysInterval: ReturnType<typeof daysForCalendar>["shown"];
 	filters?: CalendarLoaderData["filters"];
 }) {
-	const { formatDateRange } = useTimeFormat();
 	const lowestDate = daysInterval[0];
 	const highestDate = daysInterval[daysInterval.length - 1];
 
 	const year = new Date().getFullYear();
-	const rangeString = formatDateRange(
-		new Date(year, lowestDate.month, lowestDate.day),
-		new Date(year, highestDate.month, highestDate.day),
-		{ day: "numeric", month: "numeric" },
-	);
 
 	return (
 		<Link
@@ -164,7 +159,12 @@ function NavigateButton({
 			{icon}
 			<div>
 				<div>{children}</div>
-				<div className={styles.navigateArrowButtonRange}>{rangeString}</div>
+				<LocaleTimeRange
+					from={new Date(year, lowestDate.month, lowestDate.day)}
+					to={new Date(year, highestDate.month, highestDate.day)}
+					options={{ day: "numeric", month: "numeric" }}
+					className={styles.navigateArrowButtonRange}
+				/>
 			</div>
 		</Link>
 	);
@@ -247,8 +247,6 @@ function DayEventsColumn({
 }
 
 function DayHeader(props: { date: number; month: number; year: number }) {
-	const { formatDate } = useTimeFormat();
-
 	const date = new Date(props.year, props.month, props.date);
 	const isToday = date.toDateString() === new Date().toDateString();
 
@@ -259,14 +257,20 @@ function DayHeader(props: { date: number; month: number; year: number }) {
 			})}
 			data-testid={isToday ? "today-header" : undefined}
 		>
-			{formatDate(date, {
-				day: "numeric",
-				month: "numeric",
-			})}
+			<LocaleTime
+				date={date}
+				options={{
+					day: "numeric",
+					month: "long",
+				}}
+			/>
 			<div className={styles.dayHeaderWeekday}>
-				{formatDate(date, {
-					weekday: "long",
-				})}
+				<LocaleTime
+					date={date}
+					options={{
+						weekday: "long",
+					}}
+				/>
 			</div>
 		</div>
 	);
@@ -287,21 +291,33 @@ function ClockHeader({
 	hiddenShown: boolean;
 	className?: string;
 }) {
-	const { formatTime } = useTimeFormat();
-
 	const isInThePast = (toDate ?? date).getTime() < Date.now();
+	const timeOptions: Intl.DateTimeFormatOptions = {
+		hour: "numeric",
+		minute: "numeric",
+	};
 
 	return (
 		<div className={clsx(className, styles.clockHeader)}>
 			<div className="stack horizontal justify-between">
-				<span
-					className={clsx({
-						"text-lighter italic": isInThePast,
-					})}
-				>
-					{formatTime(date)}
-					{toDate ? ` - ${formatTime(toDate)}` : ""}
-				</span>
+				{toDate ? (
+					<LocaleTimeRange
+						from={date}
+						to={toDate}
+						options={timeOptions}
+						className={clsx({
+							"text-lighter italic": isInThePast,
+						})}
+					/>
+				) : (
+					<LocaleTime
+						className={clsx({
+							"text-lighter italic": isInThePast,
+						})}
+						date={date}
+						options={timeOptions}
+					/>
+				)}
 				{hiddenEventsCount > 0 ? (
 					<SendouButton
 						icon={hiddenShown ? <Eye /> : <EyeOff />}
diff --git a/app/features/chat/chat-utils.ts b/app/features/chat/chat-utils.ts
index 316989bb8..f70772e94 100644
--- a/app/features/chat/chat-utils.ts
+++ b/app/features/chat/chat-utils.ts
@@ -25,10 +25,10 @@ export function datePlaceholder(date: Date): string {
 
 export function resolveDatePlaceholders(
 	text: string,
-	formatDateTime: (date: Date) => string,
+	format: (date: Date) => string,
 ): string {
 	return text.replace(DATE_PLACEHOLDER_PATTERN, (_match, ts) =>
-		formatDateTime(new Date(Number(ts))),
+		format(new Date(Number(ts))),
 	);
 }
 
diff --git a/app/features/chat/components/Chat.tsx b/app/features/chat/components/Chat.tsx
index 431faf511..601a12088 100644
--- a/app/features/chat/components/Chat.tsx
+++ b/app/features/chat/components/Chat.tsx
@@ -7,7 +7,7 @@ import { useTranslation } from "react-i18next";
 import { Avatar } from "../../../components/Avatar";
 import { SendouButton } from "../../../components/elements/Button";
 import { SubmitButton } from "../../../components/SubmitButton";
-import { useTimeFormat } from "../../../hooks/useTimeFormat";
+import { useDateTimeFormat } from "../../../hooks/intl/useDateTimeFormat";
 import { findRoomLinks, MESSAGE_MAX_LENGTH } from "../chat-constants";
 import { useChatAutoScroll } from "../chat-hooks";
 import type { ChatMessage, ChatProps, ChatUser } from "../chat-types";
@@ -340,19 +340,23 @@ function MessageContents({ text }: { text: string }) {
 }
 
 function MessageTimestamp({ timestamp }: { timestamp: number }) {
-	const { formatDateTime, formatTime } = useTimeFormat();
+	const { formatter: dateTimeFormatter } = useDateTimeFormat({
+		day: "numeric",
+		month: "numeric",
+		hour: "numeric",
+		minute: "numeric",
+	});
+	const { formatter: timeFormatter } = useDateTimeFormat({
+		hour: "numeric",
+		minute: "numeric",
+	});
 	const moreThanDayAgo = sub(new Date(), { days: 1 }) > new Date(timestamp);
 
 	return (
 		<time className={styles.messageTime}>
 			{moreThanDayAgo
-				? formatDateTime(new Date(timestamp), {
-						day: "numeric",
-						month: "numeric",
-						hour: "numeric",
-						minute: "numeric",
-					})
-				: formatTime(new Date(timestamp))}
+				? dateTimeFormatter.format(new Date(timestamp))
+				: timeFormatter.format(new Date(timestamp))}
 		</time>
 	);
 }
diff --git a/app/features/friends/components/FriendMenu.tsx b/app/features/friends/components/FriendMenu.tsx
index 1402cb141..e7158f5d8 100644
--- a/app/features/friends/components/FriendMenu.tsx
+++ b/app/features/friends/components/FriendMenu.tsx
@@ -11,8 +11,7 @@ import {
 } from "~/components/elements/Menu";
 import { ListButton } from "~/components/SideNav";
 import { SENDOUQ_ACTIVITY_LABEL } from "~/features/friends/friends-constants";
-import { useTimeFormat } from "~/hooks/useTimeFormat";
-import { databaseTimestampToDate } from "~/utils/dates";
+import { useDateTimeFormat } from "~/hooks/intl/useDateTimeFormat";
 import { SENDOUQ_LOOKING_PAGE, tournamentSubsPage } from "~/utils/urls";
 
 export function FriendMenu({
@@ -39,17 +38,17 @@ export function FriendMenu({
 	onNavigate?: () => void;
 }) {
 	const { t } = useTranslation(["common", "friends"]);
-	const { formatDate } = useTimeFormat();
+	const { formatter: dateFormatter } = useDateTimeFormat({
+		day: "numeric",
+		month: "numeric",
+		year: "numeric",
+	});
 	const fetcher = useFetcher();
 	const [confirmOpen, setConfirmOpen] = React.useState(false);
 
 	const friendSinceText = friendshipCreatedAt
 		? t("friends:friendsList.friendSince", {
-				date: formatDate(databaseTimestampToDate(friendshipCreatedAt), {
-					day: "numeric",
-					month: "numeric",
-					year: "numeric",
-				}),
+				date: dateFormatter.format(friendshipCreatedAt) ?? "",
 			})
 		: null;
 
diff --git a/app/features/front-page/components/SplatoonRotations.tsx b/app/features/front-page/components/SplatoonRotations.tsx
index b0bcb85ec..27ebf8962 100644
--- a/app/features/front-page/components/SplatoonRotations.tsx
+++ b/app/features/front-page/components/SplatoonRotations.tsx
@@ -1,5 +1,5 @@
 import clsx from "clsx";
-import { differenceInSeconds } from "date-fns";
+import { differenceInMinutes, differenceInSeconds } from "date-fns";
 import * as React from "react";
 import { useTranslation } from "react-i18next";
 import { useLoaderData } from "react-router";
@@ -8,7 +8,8 @@ import {
 	SendouChipRadioGroup,
 } from "~/components/elements/ChipRadio";
 import { ModeImage, StageImage } from "~/components/Image";
-import { useTimeFormat } from "~/hooks/useTimeFormat";
+import { useDateTimeFormat } from "~/hooks/intl/useDateTimeFormat";
+import { useFormatDistanceToNow } from "~/hooks/intl/useFormatDistanceToNow";
 import { shortStageName } from "~/modules/in-game-lists/stage-ids";
 import type { RankedModeShort, StageId } from "~/modules/in-game-lists/types";
 import {
@@ -32,6 +33,8 @@ type RotationFromLoader = FrontPageLoaderData["rotations"][number];
 
 const TYPE_ORDER = ["X", "SERIES", "OPEN"];
 
+const RELATIVE_TIME_CUTOFF_MINUTES = 120;
+
 export function SplatoonRotations() {
 	const { t } = useTranslation(["front"]);
 	const data = useLoaderData<typeof loader>();
@@ -141,29 +144,15 @@ function useNowUnix(initialNow: number) {
 	return now;
 }
 
-function timeRemaining(now: Date, start: Date, end: Date) {
+function rotationProgress(now: Date, start: Date, end: Date) {
 	const remainingSeconds = differenceInSeconds(end, now);
 	if (remainingSeconds <= 0) return null;
 
 	const totalSeconds = differenceInSeconds(end, start);
 	const elapsedSeconds = differenceInSeconds(now, start);
-	const progress =
-		totalSeconds > 0
-			? Math.min(1, Math.max(0, elapsedSeconds / totalSeconds))
-			: 0;
-
-	const hours = Math.floor(remainingSeconds / 3600);
-	const minutes = Math.floor((remainingSeconds % 3600) / 60);
-	return { hours, minutes, progress };
-}
-
-function timeUntil(now: Date, start: Date) {
-	const diffSeconds = differenceInSeconds(start, now);
-	if (diffSeconds <= 0) return null;
-
-	const hours = Math.floor(diffSeconds / 3600);
-	const minutes = Math.floor((diffSeconds % 3600) / 60);
-	return { hours, minutes };
+	return totalSeconds > 0
+		? Math.min(1, Math.max(0, elapsedSeconds / totalSeconds))
+		: 0;
 }
 
 function RotationCard({
@@ -180,23 +169,16 @@ function RotationCard({
 	now: Date;
 }) {
 	const { t } = useTranslation(["front", "game-misc"]);
-	const { formatTime, formatDuration, formatRelativeTime } = useTimeFormat();
-	const remaining = timeRemaining(
-		now,
-		databaseTimestampToDate(current?.startTime ?? 0),
-		databaseTimestampToDate(current?.endTime ?? 0),
-	);
+	const formatDistanceToNow = useFormatDistanceToNow();
+	const progress = current
+		? rotationProgress(
+				now,
+				databaseTimestampToDate(current.startTime),
+				databaseTimestampToDate(current.endTime),
+			)
+		: null;
 	const displayRotation = current ?? next;
-	const nextStartsIn = timeUntil(
-		now,
-		databaseTimestampToDate(next?.startTime ?? 0),
-	);
-	const nextAfterStartsIn = timeUntil(
-		now,
-		databaseTimestampToDate(nextAfter?.startTime ?? 0),
-	);
 	const shownNext = current ? next : nextAfter;
-	const shownNextStartsIn = current ? nextStartsIn : nextAfterStartsIn;
 
 	if (!displayRotation) return null;
 
@@ -206,18 +188,18 @@ function RotationCard({
 				<ModeImage mode={displayRotation.mode as RankedModeShort} width={20} />
 				{t(`front:${ROTATION_TYPE_LABELS[type]}` as any)}
 			</div>
-			{current && remaining ? (
+			{current && progress !== null ? (
 				<div className={styles.rotationCardProgress}>
 					<div
 						className={styles.rotationCardProgressBar}
-						style={{ width: `${remaining.progress * 100}%` }}
+						style={{ width: `${progress * 100}%` }}
 					/>
 					<span className={styles.rotationCardProgressText}>
-						{formatDuration(remaining.hours, remaining.minutes)}
+						{formatDistanceToNow(current.endTime)}
 					</span>
 				</div>
 			) : null}
-			{!current && next && nextStartsIn ? (
+			{!current && next ? (
 				<div
 					className={clsx(
 						styles.rotationCardProgress,
@@ -227,9 +209,7 @@ function RotationCard({
 					<span className={styles.rotationCardProgressText}>
 						<NextLabel
 							startTime={databaseTimestampToDate(next.startTime)}
-							startsIn={nextStartsIn}
-							formatTime={formatTime}
-							formatRelativeTime={formatRelativeTime}
+							now={now}
 						/>
 					</span>
 				</div>
@@ -251,15 +231,13 @@ function RotationCard({
 					<div className={styles.rotationCardNextInfo}>
 						{current && shownNext.startTime === current.endTime ? (
 							t("front:rotations.nextLabel")
-						) : shownNextStartsIn ? (
+						) : (
 							<NextLabel
 								startTime={databaseTimestampToDate(shownNext.startTime)}
-								startsIn={shownNextStartsIn}
-								formatTime={formatTime}
-								formatRelativeTime={formatRelativeTime}
+								now={now}
 								compact
 							/>
-						) : null}
+						)}
 						<ModeImage mode={shownNext.mode as RankedModeShort} width={16} />{" "}
 						{shortStageName(t(`game-misc:STAGE_${shownNext.stageId1}` as any))},{" "}
 						{shortStageName(t(`game-misc:STAGE_${shownNext.stageId2}` as any))}
@@ -272,31 +250,28 @@ function RotationCard({
 
 function NextLabel({
 	startTime,
-	startsIn,
-	formatTime,
-	formatRelativeTime,
+	now,
 	compact,
 }: {
 	startTime: Date;
-	startsIn: { hours: number; minutes: number };
-	formatTime: (date: Date) => string;
-	formatRelativeTime: (hours: number, minutes: number) => string;
+	now: Date;
 	compact?: boolean;
 }) {
 	const { t } = useTranslation(["front"]);
+	const { formatter: timeFormatter } = useDateTimeFormat({
+		hour: "numeric",
+		minute: "numeric",
+	});
+	const formatDistanceToNow = useFormatDistanceToNow();
 
-	const withinTwoHours = startsIn.hours * 60 + startsIn.minutes <= 120;
+	const minutesUntilStart = differenceInMinutes(startTime, now);
+	if (minutesUntilStart <= 0) return null;
 
-	if (compact) {
-		if (withinTwoHours) {
-			return formatRelativeTime(startsIn.hours, startsIn.minutes);
-		}
-		return formatTime(startTime);
-	}
+	const withinCutoff = minutesUntilStart <= RELATIVE_TIME_CUTOFF_MINUTES;
+	const relativeText = withinCutoff
+		? formatDistanceToNow(startTime, { addSuffix: true })
+		: timeFormatter.format(startTime);
 
-	if (withinTwoHours) {
-		return `${t("front:rotations.nextLabel")} (${formatRelativeTime(startsIn.hours, startsIn.minutes)})`;
-	}
-
-	return `${t("front:rotations.nextLabel")} (${formatTime(startTime)})`;
+	if (compact) return relativeText;
+	return `${t("front:rotations.nextLabel")} (${relativeText})`;
 }
diff --git a/app/features/front-page/routes/index.tsx b/app/features/front-page/routes/index.tsx
index d180a7bc5..e64e9ac4f 100644
--- a/app/features/front-page/routes/index.tsx
+++ b/app/features/front-page/routes/index.tsx
@@ -10,14 +10,13 @@ import { BSKYLikeIcon } from "~/components/icons/BSKYLike";
 import { BSKYReplyIcon } from "~/components/icons/BSKYReply";
 import { BSKYRepostIcon } from "~/components/icons/BSKYRepost";
 import { ExternalIcon } from "~/components/icons/External";
+import { LocaleTimeRange } from "~/components/LocaleTimeRange";
 import { navItems } from "~/components/layout/nav-items";
 import { Main } from "~/components/Main";
 import { TournamentCard } from "~/features/calendar/components/TournamentCard";
 import { SplatoonRotations } from "~/features/front-page/components/SplatoonRotations";
 import type * as Changelog from "~/features/front-page/core/Changelog.server";
 import * as Seasons from "~/features/mmr/core/Seasons";
-import { useHydrated } from "~/hooks/useHydrated";
-import { useTimeFormat } from "~/hooks/useTimeFormat";
 import styles from "~/styles/front.module.css";
 import type { SendouRouteHandle } from "~/utils/remix.server";
 import {
@@ -66,16 +65,15 @@ function SeasonDates({
 	season: ReturnType<typeof useSeasonData>["season"];
 	className: string;
 }) {
-	const isHydrated = useHydrated();
-	const { formatDate } = useTimeFormat();
-
-	return isHydrated ? (
+	return (
 		<div className={className}>
-			{formatDate(season.starts, { month: "numeric", day: "numeric" })} -{" "}
-			{formatDate(season.ends, { month: "numeric", day: "numeric" })}
+			<LocaleTimeRange
+				from={season.starts}
+				to={season.ends}
+				options={{ month: "numeric", day: "numeric" }}
+				inline
+			/>
 		</div>
-	) : (
-		<div className={clsx(className, "invisible")}>X</div>
 	);
 }
 
@@ -216,11 +214,7 @@ function ResultHighlights() {
 					</h2>
 					<div className={styles.tournamentCardsSpacer}>
 						{data.tournaments.results.map((tournament) => (
-							<TournamentCard
-								key={tournament.id}
-								tournament={tournament}
-								withRelativeTime
-							/>
+							<TournamentCard key={tournament.id} tournament={tournament} />
 						))}
 					</div>
 				</div>
diff --git a/app/features/lfg/components/LFGPost.tsx b/app/features/lfg/components/LFGPost.tsx
index 657fbcfd1..01c4731c3 100644
--- a/app/features/lfg/components/LFGPost.tsx
+++ b/app/features/lfg/components/LFGPost.tsx
@@ -9,11 +9,12 @@ import { SendouButton } from "~/components/elements/Button";
 import { Flag } from "~/components/Flag";
 import { FormWithConfirm } from "~/components/FormWithConfirm";
 import { Image, TierImage, WeaponImage } from "~/components/Image";
+import { LocaleTime } from "~/components/LocaleTime";
 import { useUser } from "~/features/auth/core/user";
 import * as Seasons from "~/features/mmr/core/Seasons";
 import type { TieredSkill } from "~/features/mmr/tiered.server";
+import { useFormatDistanceToNow } from "~/hooks/intl/useFormatDistanceToNow";
 import { useHydrated } from "~/hooks/useHydrated";
-import { useTimeFormat } from "~/hooks/useTimeFormat";
 import { useHasRole } from "~/modules/permissions/hooks";
 import { databaseTimestampToDate } from "~/utils/dates";
 import { lfgNewPostPage, navIconUrl, userPage } from "~/utils/urls";
@@ -262,7 +263,7 @@ function PostTime({
 	updatedAt: number;
 }) {
 	const { t } = useTranslation(["lfg"]);
-	const { formatDate, formatDistanceToNow } = useTimeFormat();
+	const formatDistanceToNow = useFormatDistanceToNow();
 
 	const createdAtDate = databaseTimestampToDate(createdAt);
 	const updatedAtDate = databaseTimestampToDate(updatedAt);
@@ -271,10 +272,13 @@ function PostTime({
 
 	return (
 		<div className="text-lighter text-xs font-bold">
-			{formatDate(createdAtDate, {
-				month: "numeric",
-				day: "numeric",
-			})}{" "}
+			<LocaleTime
+				date={createdAtDate}
+				options={{
+					month: "numeric",
+					day: "numeric",
+				}}
+			/>{" "}
 			{overDayDifferenceBetween ? (
 				<div className="text-xxs">
 					<i>
diff --git a/app/features/plus-voting/routes/plus.voting.results.tsx b/app/features/plus-voting/routes/plus.voting.results.tsx
index 5d24b84cf..9701b5bf2 100644
--- a/app/features/plus-voting/routes/plus.voting.results.tsx
+++ b/app/features/plus-voting/routes/plus.voting.results.tsx
@@ -1,7 +1,7 @@
 import clsx from "clsx";
 import type { MetaFunction } from "react-router";
 import { Link, useLoaderData } from "react-router";
-import { useTimeFormat } from "~/hooks/useTimeFormat";
+import { LocaleTime } from "~/components/LocaleTime";
 import { metaTags, type SerializeFrom } from "~/utils/remix";
 import { PLUS_SERVER_DISCORD_URL, userPage } from "~/utils/urls";
 
@@ -22,22 +22,24 @@ export const meta: MetaFunction = (args) => {
 
 export default function PlusVotingResultsPage() {
 	const data = useLoaderData<typeof loader>();
-	const { formatDate } = useTimeFormat();
 
 	return (
 		<div className="stack md">
 			<h2 className="text-center">
 				Voting results for{" "}
-				{formatDate(
-					new Date(
-						data.lastCompletedVoting.year,
-						data.lastCompletedVoting.month,
-					),
-					{
+				<LocaleTime
+					date={
+						new Date(
+							data.lastCompletedVoting.year,
+							data.lastCompletedVoting.month,
+						)
+					}
+					options={{
 						month: "numeric",
 						year: "numeric",
-					},
-				)}
+					}}
+					inline
+				/>
 			</h2>
 			{data.ownScores && data.ownScores.length > 0 ? (
 				<>
diff --git a/app/features/scrims/components/ScrimCard.tsx b/app/features/scrims/components/ScrimCard.tsx
index d73c334dc..4197db587 100644
--- a/app/features/scrims/components/ScrimCard.tsx
+++ b/app/features/scrims/components/ScrimCard.tsx
@@ -19,9 +19,10 @@ import { SendouDialog } from "~/components/elements/Dialog";
 import { SendouPopover } from "~/components/elements/Popover";
 import { FormWithConfirm } from "~/components/FormWithConfirm";
 import { ModeImage } from "~/components/Image";
+import { LocaleTime } from "~/components/LocaleTime";
 import TimePopover from "~/components/TimePopover";
 import { useUser } from "~/features/auth/core/user";
-import { useTimeFormat } from "~/hooks/useTimeFormat";
+import { useDateTimeFormat } from "~/hooks/intl/useDateTimeFormat";
 import type { ModeShort } from "~/modules/in-game-lists/types";
 import { databaseTimestampToDate } from "~/utils/dates";
 import { scrimPage, tournamentRegisterPage, userPage } from "~/utils/urls";
@@ -335,7 +336,6 @@ function ScrimActionButtons({
 	post: ScrimPost;
 }) {
 	const { t } = useTranslation(["scrims", "common"]);
-	const { formatDateTime } = useTimeFormat();
 	const user = useUser();
 	const [isRequestModalOpen, setIsRequestModalOpen] = useState(false);
 	const [isViewRequestModalOpen, setIsViewRequestModalOpen] = useState(false);
@@ -400,14 +400,16 @@ function ScrimActionButtons({
 									<div className="text-sm font-semi-bold mb-1">
 										{t("scrims:requestModal.at.label")}
 									</div>
-									<div className="text-lighter">
-										{formatDateTime(databaseTimestampToDate(userRequest.at), {
+									<LocaleTime
+										date={userRequest.at}
+										options={{
 											hour: "numeric",
 											minute: "2-digit",
 											day: "numeric",
 											month: "numeric",
-										})}
-									</div>
+										}}
+										className="text-lighter"
+									/>
 								</div>
 							) : null}
 							<Form method="post">
@@ -474,7 +476,10 @@ export function ScrimRequestCard({
 	showFooter = true,
 }: ScrimRequestCardProps) {
 	const { t } = useTranslation(["scrims", "common"]);
-	const { formatTime } = useTimeFormat();
+	const { formatter: timeFormatter } = useDateTimeFormat({
+		hour: "numeric",
+		minute: "2-digit",
+	});
 
 	const owner = request.users.find((user) => user.isOwner) ?? request.users[0];
 	const isPickup = !request.team?.name;
@@ -531,7 +536,7 @@ export function ScrimRequestCard({
 								data-testid="confirm-modal-trigger-button"
 							>
 								{t("scrims:acceptModal.confirmFor", {
-									time: formatTime(confirmedTime),
+									time: timeFormatter.format(confirmedTime) ?? "",
 								})}
 							</SendouButton>
 						</FormWithConfirm>
@@ -540,7 +545,7 @@ export function ScrimRequestCard({
 							trigger={
 								<SendouButton size="small">
 									{t("scrims:acceptModal.confirmFor", {
-										time: formatTime(confirmedTime),
+										time: timeFormatter.format(confirmedTime) ?? "",
 									})}
 								</SendouButton>
 							}
diff --git a/app/features/scrims/components/ScrimRequestModal.tsx b/app/features/scrims/components/ScrimRequestModal.tsx
index d6c9ff852..6475e64c2 100644
--- a/app/features/scrims/components/ScrimRequestModal.tsx
+++ b/app/features/scrims/components/ScrimRequestModal.tsx
@@ -4,7 +4,7 @@ import { Divider } from "~/components/Divider";
 import { SendouDialog } from "~/components/elements/Dialog";
 import type { CustomFieldRenderProps } from "~/form";
 import { SendouForm } from "~/form/SendouForm";
-import { useTimeFormat } from "~/hooks/useTimeFormat";
+import { useDateTimeFormat } from "~/hooks/intl/useDateTimeFormat";
 import { nullFilledArray } from "~/utils/arrays";
 import { databaseTimestampToDate } from "~/utils/dates";
 import type { loader as scrimsLoader } from "../loaders/scrims.server";
@@ -23,7 +23,10 @@ export function ScrimRequestModal({
 }) {
 	const { t, i18n } = useTranslation(["scrims"]);
 	const data = useLoaderData<typeof scrimsLoader>();
-	const { formatTime } = useTimeFormat();
+	const { formatter: timeFormatter } = useDateTimeFormat({
+		hour: "numeric",
+		minute: "numeric",
+	});
 
 	const timeOptions = post.rangeEnd
 		? generateTimeOptions(
@@ -31,7 +34,7 @@ export function ScrimRequestModal({
 				databaseTimestampToDate(post.rangeEnd),
 			).map((timestamp) => ({
 				value: String(timestamp),
-				label: formatTime(new Date(timestamp)),
+				label: timeFormatter.format(new Date(timestamp)) ?? "",
 			}))
 		: [];
 
diff --git a/app/features/scrims/routes/scrims.tsx b/app/features/scrims/routes/scrims.tsx
index d27a4e1d9..2e490944b 100644
--- a/app/features/scrims/routes/scrims.tsx
+++ b/app/features/scrims/routes/scrims.tsx
@@ -7,9 +7,9 @@ import { useLoaderData } from "react-router";
 import * as R from "remeda";
 import type { z } from "zod";
 import { LinkButton, SendouButton } from "~/components/elements/Button";
+import { LocaleTime } from "~/components/LocaleTime";
 import { useUser } from "~/features/auth/core/user";
 import { useHydrated } from "~/hooks/useHydrated";
-import { useTimeFormat } from "~/hooks/useTimeFormat";
 import { databaseTimestampToDate } from "~/utils/dates";
 import { metaTags } from "~/utils/remix";
 import type { SendouRouteHandle } from "~/utils/remix.server";
@@ -198,7 +198,6 @@ function ScrimsDaySection({
 	const user = useUser();
 	const [showFiltered, setShowFiltered] = React.useState(false);
 	const [showRequestPending, setShowRequestPending] = React.useState(false);
-	const { formatDate } = useTimeFormat();
 
 	const filteredPosts = posts.filter((post) =>
 		Scrim.applyFilters(post, filters),
@@ -214,11 +213,14 @@ function ScrimsDaySection({
 		<div className="stack md">
 			<div className="stack xxs">
 				<h2 className="text-sm">
-					{formatDate(databaseTimestampToDate(posts[0].at), {
-						day: "numeric",
-						month: "numeric",
-						weekday: "long",
-					})}
+					<LocaleTime
+						date={posts[0].at}
+						options={{
+							day: "numeric",
+							month: "numeric",
+							weekday: "long",
+						}}
+					/>
 				</h2>
 				{user ? (
 					<AvailableScrimsFilterButtons
@@ -326,7 +328,6 @@ function AvailableScrimsFilterButtons({
 function ScrimsDaySeparatedOwnedCards({ posts }: { posts: ScrimPost[] }) {
 	const { t } = useTranslation(["scrims"]);
 	const user = useUser();
-	const { formatDate } = useTimeFormat();
 
 	const postsByDay = R.groupBy(posts, (post) =>
 		format(databaseTimestampToDate(post.at), "yyyy-MM-dd"),
@@ -340,11 +341,14 @@ function ScrimsDaySeparatedOwnedCards({ posts }: { posts: ScrimPost[] }) {
 					return (
 						<div key={day} className="stack md">
 							<h2 className="text-sm">
-								{formatDate(databaseTimestampToDate(posts![0].at), {
-									day: "numeric",
-									month: "numeric",
-									weekday: "long",
-								})}
+								<LocaleTime
+									date={posts![0].at}
+									options={{
+										day: "numeric",
+										month: "numeric",
+										weekday: "long",
+									}}
+								/>
 							</h2>
 							<div className="stack lg">
 								{posts!.map((post) => {
@@ -395,8 +399,6 @@ function ScrimsDaySeparatedOwnedCards({ posts }: { posts: ScrimPost[] }) {
 }
 
 function ScrimsDaySeparatedBookedCards({ posts }: { posts: ScrimPost[] }) {
-	const { formatDate } = useTimeFormat();
-
 	const postsByDay = R.groupBy(posts, (post) =>
 		format(databaseTimestampToDate(post.at), "yyyy-MM-dd"),
 	);
@@ -409,11 +411,14 @@ function ScrimsDaySeparatedBookedCards({ posts }: { posts: ScrimPost[] }) {
 					return (
 						<div key={day} className="stack md">
 							<h2 className="text-sm">
-								{formatDate(databaseTimestampToDate(posts![0].at), {
-									day: "numeric",
-									month: "numeric",
-									weekday: "long",
-								})}
+								<LocaleTime
+									date={posts![0].at}
+									options={{
+										day: "numeric",
+										month: "numeric",
+										weekday: "long",
+									}}
+								/>
 							</h2>
 							<div className="stack lg">
 								{posts!.map((post) => {
diff --git a/app/features/sendouq/components/GroupCard.tsx b/app/features/sendouq/components/GroupCard.tsx
index 9fa339152..3c0539ba3 100644
--- a/app/features/sendouq/components/GroupCard.tsx
+++ b/app/features/sendouq/components/GroupCard.tsx
@@ -10,6 +10,7 @@ import { LinkButton, SendouButton } from "~/components/elements/Button";
 import { SendouPopover } from "~/components/elements/Popover";
 import { FormWithConfirm } from "~/components/FormWithConfirm";
 import { Image, ModeImage, TierImage, WeaponImage } from "~/components/Image";
+import { LocaleTime } from "~/components/LocaleTime";
 import { SubmitButton } from "~/components/SubmitButton";
 import type { ParsedMemento } from "~/db/tables";
 import { useUser } from "~/features/auth/core/user";
@@ -17,10 +18,8 @@ import { MATCHES_COUNT_NEEDED_FOR_LEADERBOARD } from "~/features/leaderboards/le
 import { ordinalToRoundedSp } from "~/features/mmr/mmr-utils";
 import type { TieredSkill } from "~/features/mmr/tiered.server";
 import { useMainContentWidth } from "~/hooks/useMainContentWidth";
-import { useTimeFormat } from "~/hooks/useTimeFormat";
 import { languagesUnified } from "~/modules/i18n/config";
 import { SPLATTERCOLOR_SCREEN_ID } from "~/modules/in-game-lists/weapon-ids";
-import { databaseTimestampToDate } from "~/utils/dates";
 import { inGameNameWithoutDiscriminator } from "~/utils/strings";
 import {
 	navIconUrl,
@@ -279,7 +278,6 @@ function GroupMember({
 }) {
 	const { t } = useTranslation(["q", "user"]);
 	const user = useUser();
-	const { formatDateTime } = useTimeFormat();
 
 	return (
 		<div className="stack xxs" data-testid="sendouq-group-card-member">
@@ -307,18 +305,17 @@ function GroupMember({
 									{ "mt-2": member.privateNote.text },
 								)}
 							>
-								<div className="text-xxs text-lighter">
-									{formatDateTime(
-										databaseTimestampToDate(member.privateNote.updatedAt),
-										{
-											hour: "numeric",
-											minute: "numeric",
-											day: "numeric",
-											month: "numeric",
-											year: "numeric",
-										},
-									)}
-								</div>
+								<LocaleTime
+									date={member.privateNote.updatedAt}
+									options={{
+										hour: "numeric",
+										minute: "numeric",
+										day: "numeric",
+										month: "numeric",
+										year: "numeric",
+									}}
+									className="text-xxs text-lighter"
+								/>
 								<DeletePrivateNoteForm
 									name={member.username}
 									targetId={member.id}
diff --git a/app/features/sendouq/routes/q.looking.tsx b/app/features/sendouq/routes/q.looking.tsx
index f8cd255a6..131a79d05 100644
--- a/app/features/sendouq/routes/q.looking.tsx
+++ b/app/features/sendouq/routes/q.looking.tsx
@@ -17,10 +17,10 @@ import { Main } from "~/components/Main";
 import { Placeholder } from "~/components/Placeholder";
 import { SubmitButton } from "~/components/SubmitButton";
 import { useUser } from "~/features/auth/core/user";
+import { useDateTimeFormat } from "~/hooks/intl/useDateTimeFormat";
 import { useAutoRefresh } from "~/hooks/useAutoRefresh";
 import { useHydrated } from "~/hooks/useHydrated";
 import { useMainContentWidth } from "~/hooks/useMainContentWidth";
-import { useTimeFormat } from "~/hooks/useTimeFormat";
 import { metaTags } from "~/utils/remix";
 import type { SendouRouteHandle } from "~/utils/remix.server";
 import {
@@ -118,7 +118,10 @@ function InfoText() {
 	const isHydrated = useHydrated();
 	const data = useLoaderData<typeof loader>();
 	const fetcher = useFetcher();
-	const { formatTime } = useTimeFormat();
+	const { formatter: timeFormatter } = useDateTimeFormat({
+		hour: "numeric",
+		minute: "numeric",
+	});
 
 	const expiryStatus = data.ownGroup
 		? groupExpiryStatus(data.ownGroup.latestActionAt)
@@ -183,7 +186,7 @@ function InfoText() {
 			<span className="text-xxs">
 				{isHydrated
 					? t("q:looking.lastUpdatedAt", {
-							time: formatTime(new Date(data.lastUpdated)),
+							time: timeFormatter.format(new Date(data.lastUpdated)) ?? "",
 						})
 					: "Placeholder"}
 			</span>
diff --git a/app/features/sendouq/routes/q.tsx b/app/features/sendouq/routes/q.tsx
index 40f137eec..03c8e99a5 100644
--- a/app/features/sendouq/routes/q.tsx
+++ b/app/features/sendouq/routes/q.tsx
@@ -1,4 +1,3 @@
-import clsx from "clsx";
 import { User, Users } from "lucide-react";
 import * as React from "react";
 import { useTranslation } from "react-i18next";
@@ -11,14 +10,15 @@ import { Flag } from "~/components/Flag";
 import { FormMessage } from "~/components/FormMessage";
 import { FriendCodePopover } from "~/components/FriendCodePopover";
 import { Image } from "~/components/Image";
+import { LocaleTime } from "~/components/LocaleTime";
+import { LocaleTimeRange } from "~/components/LocaleTimeRange";
 import { Main } from "~/components/Main";
 import { SubmitButton } from "~/components/SubmitButton";
 import type { Tables } from "~/db/tables";
 import { useUser } from "~/features/auth/core/user";
 import type * as Seasons from "~/features/mmr/core/Seasons";
+import { useDateTimeFormat } from "~/hooks/intl/useDateTimeFormat";
 import { useAutoRerender } from "~/hooks/useAutoRerender";
-import { useHydrated } from "~/hooks/useHydrated";
-import { useTimeFormat } from "~/hooks/useTimeFormat";
 import { useHasRole } from "~/modules/permissions/hooks";
 import { metaTags, type SerializeFrom } from "~/utils/remix";
 import type { SendouRouteHandle } from "~/utils/remix.server";
@@ -65,7 +65,6 @@ export const meta: MetaFunction = (args) => {
 
 export default function QPage() {
 	const { t } = useTranslation(["q"]);
-	const { formatDateTime } = useTimeFormat();
 	const [dialogOpen, setDialogOpen] = React.useState(true);
 	const user = useUser();
 	const data = useLoaderData<typeof loader>();
@@ -128,18 +127,19 @@ export default function QPage() {
 								</SubmitButton>
 							</div>
 							{queueJoinStatus instanceof Date ? (
-								<div
-									className="text-lighter text-xs text-center text-warning"
-									suppressHydrationWarning
-								>
+								<div className="text-lighter text-xs text-center text-warning">
 									As a fresh account please wait before joining the queue. You
-									can join{" "}
-									{formatDateTime(queueJoinStatus, {
-										day: "numeric",
-										month: "numeric",
-										hour: "numeric",
-										minute: "numeric",
-									})}
+									can join at{" "}
+									<LocaleTime
+										date={queueJoinStatus}
+										options={{
+											day: "numeric",
+											month: "numeric",
+											hour: "numeric",
+											minute: "numeric",
+										}}
+										inline
+									/>
 								</div>
 							) : (
 								<PreviewQueueButton />
@@ -187,9 +187,7 @@ const countries = [
 	{ id: 4, countryCode: "JP", timeZone: "Asia/Tokyo", city: "tokyo" },
 ] as const;
 function Clocks() {
-	const isHydrated = useHydrated();
 	const { t } = useTranslation(["q"]);
-	const { formatDate, formatTime } = useTimeFormat();
 	const now = useAutoRerender();
 
 	return (
@@ -201,25 +199,21 @@ function Clocks() {
 							{t(`q:front.cities.${country.city}`)}
 						</div>
 						<Flag countryCode={country.countryCode} />
-						<div className={clsx({ invisible: !isHydrated })}>
-							{isHydrated
-								? formatDate(now, {
-										timeZone: country.timeZone,
-										weekday: "long",
-									})
-								: // take space
-									"Monday"}
-						</div>
-						<div className={clsx({ invisible: !isHydrated })}>
-							{isHydrated
-								? formatTime(now, {
-										timeZone: country.timeZone,
-										hour: "numeric",
-										minute: "numeric",
-									})
-								: // take space
-									"0:00 PM"}
-						</div>
+						<LocaleTime
+							date={now}
+							options={{
+								timeZone: country.timeZone,
+								weekday: "long",
+							}}
+						/>
+						<LocaleTime
+							date={now}
+							options={{
+								timeZone: country.timeZone,
+								hour: "numeric",
+								minute: "numeric",
+							}}
+						/>
 					</div>
 				);
 			})}
@@ -275,32 +269,25 @@ function ActiveSeasonInfo({
 	season: SerializeFrom<Seasons.ListItem>;
 }) {
 	const { t } = useTranslation(["q"]);
-	const { formatDateTime } = useTimeFormat();
-	const isHydrated = useHydrated();
 
-	const starts = new Date(season.starts);
-	const ends = new Date(season.ends);
-
-	const dateToString = (date: Date) =>
-		formatDateTime(date, {
-			month: "numeric",
-			day: "numeric",
-			hour: "numeric",
-			minute: "numeric",
-		});
+	const dateOptions: Intl.DateTimeFormatOptions = {
+		month: "numeric",
+		day: "numeric",
+		hour: "numeric",
+		minute: "numeric",
+	};
 
 	return (
-		<div
-			className={clsx("text-lighter text-xs text-center", {
-				invisible: !isHydrated,
-			})}
-		>
+		<div className="text-lighter text-xs text-center">
 			{t("q:front.seasonOpen", { nth: season.nth })}{" "}
-			{isHydrated ? (
-				<b>
-					{dateToString(starts)} - {dateToString(ends)}
-				</b>
-			) : null}
+			<b>
+				<LocaleTimeRange
+					from={new Date(season.starts)}
+					to={new Date(season.ends)}
+					options={dateOptions}
+					inline
+				/>
+			</b>
 		</div>
 	);
 }
@@ -383,18 +370,11 @@ function UpcomingSeasonInfo({
 	season: SerializeFrom<Seasons.ListItem>;
 }) {
 	const { t } = useTranslation(["q"]);
-	const { formatDateTime } = useTimeFormat();
-	const isHydrated = useHydrated();
-	if (!isHydrated) return null;
-
-	const starts = new Date(season.starts);
-
-	const dateToString = (date: Date) =>
-		formatDateTime(date, {
-			month: "numeric",
-			day: "numeric",
-			hour: "numeric",
-		});
+	const { formatter } = useDateTimeFormat({
+		month: "numeric",
+		day: "numeric",
+		hour: "numeric",
+	});
 
 	return (
 		<div className="font-semi-bold text-center text-sm">
@@ -402,7 +382,7 @@ function UpcomingSeasonInfo({
 			<br />
 			{t("q:front.upcomingSeason.date", {
 				nth: season.nth,
-				date: dateToString(starts),
+				date: formatter.format(new Date(season.starts)) ?? "",
 			})}
 		</div>
 	);
diff --git a/app/features/settings/actions/settings.server.ts b/app/features/settings/actions/settings.server.ts
index b1b7fd6ed..157d7a783 100644
--- a/app/features/settings/actions/settings.server.ts
+++ b/app/features/settings/actions/settings.server.ts
@@ -72,12 +72,6 @@ export const action = async ({ request }: ActionFunctionArgs) => {
 			});
 			break;
 		}
-		case "UPDATE_DATE_FORMAT": {
-			await UserRepository.updatePreferences(user.id, {
-				dateFormat: data.newValue,
-			});
-			break;
-		}
 		default: {
 			assertUnreachable(data);
 		}
diff --git a/app/features/settings/routes/settings.tsx b/app/features/settings/routes/settings.tsx
index a2574a1e6..f924f9427 100644
--- a/app/features/settings/routes/settings.tsx
+++ b/app/features/settings/routes/settings.tsx
@@ -30,7 +30,6 @@ import { action } from "../actions/settings.server";
 import { loader } from "../loaders/settings.server";
 import {
 	clockFormatSchema,
-	dateFormatSchema,
 	disableBuildAbilitySortingSchema,
 	disallowScrimPickupsFromUntrustedSchema,
 	spoilerFreeModeSchema,
@@ -90,18 +89,6 @@ export default function SettingsPage() {
 						{({ FormField }) => <FormField name="newValue" />}
 					</SendouForm>
 				) : null}
-				{user ? (
-					<SendouForm
-						schema={dateFormatSchema}
-						defaultValues={{
-							newValue: user.preferences.dateFormat ?? "auto",
-						}}
-						autoSubmit
-						revalidateRoot
-					>
-						{({ FormField }) => <FormField name="newValue" />}
-					</SendouForm>
-				) : null}
 				{user ? (
 					<>
 						<Divider className={styles.divider} smallText>
@@ -201,6 +188,7 @@ function LanguageSelector() {
 	return (
 		<SelectFormField
 			label={t("common:header.language")}
+			bottomText="forms:bottomTexts.languageClockTimeNote"
 			items={languageItems}
 			value={i18n.language}
 			onChange={handleLanguageChange}
diff --git a/app/features/settings/settings-schemas.ts b/app/features/settings/settings-schemas.ts
index e135159b0..b8fd0b0db 100644
--- a/app/features/settings/settings-schemas.ts
+++ b/app/features/settings/settings-schemas.ts
@@ -19,19 +19,6 @@ export const clockFormatSchema = z.object({
 	}),
 });
 
-export const dateFormatSchema = z.object({
-	_action: stringConstant("UPDATE_DATE_FORMAT"),
-	newValue: select({
-		label: "labels.dateFormat",
-		items: [
-			{ value: "auto", label: "options.dateFormat.auto" },
-			{ value: "MDY", label: "options.dateFormat.MDY" },
-			{ value: "DMY", label: "options.dateFormat.DMY" },
-			{ value: "YMD", label: "options.dateFormat.YMD" },
-		],
-	}),
-});
-
 export const disableBuildAbilitySortingSchema = z.object({
 	_action: stringConstant("UPDATE_DISABLE_BUILD_ABILITY_SORTING"),
 	newValue: toggle({
@@ -86,5 +73,4 @@ export const settingsEditSchema = z.union([
 	updateNoSplatnetSchema,
 	clockFormatSchema,
 	weaponReportDefaultOpenSchema,
-	dateFormatSchema,
 ]);
diff --git a/app/features/team/components/TeamResultsTable.tsx b/app/features/team/components/TeamResultsTable.tsx
index 0d2223b2d..a6842e2f0 100644
--- a/app/features/team/components/TeamResultsTable.tsx
+++ b/app/features/team/components/TeamResultsTable.tsx
@@ -4,12 +4,11 @@ import { Link } from "react-router";
 import { Avatar } from "~/components/Avatar";
 import { SendouButton } from "~/components/elements/Button";
 import { SendouPopover } from "~/components/elements/Popover";
+import { LocaleTime } from "~/components/LocaleTime";
 import { Placement } from "~/components/Placement";
 import { Table } from "~/components/Table";
 import { TierPill } from "~/components/TierPill";
 import type { TeamResultsLoaderData } from "~/features/team/loaders/t.$customUrl.results.server";
-import { useTimeFormat } from "~/hooks/useTimeFormat";
-import { databaseTimestampToDate } from "~/utils/dates";
 import { tournamentTeamPage, userPage } from "~/utils/urls";
 
 import styles from "./TeamResultsTable.module.css";
@@ -20,7 +19,6 @@ interface TeamResultsTableProps {
 
 export function TeamResultsTable({ results }: TeamResultsTableProps) {
 	const { t } = useTranslation("user");
-	const { formatDate } = useTimeFormat();
 
 	return (
 		<Table>
@@ -45,11 +43,14 @@ export function TeamResultsTable({ results }: TeamResultsTableProps) {
 								</div>
 							</td>
 							<td className="whitespace-nowrap">
-								{formatDate(databaseTimestampToDate(result.startTime), {
-									day: "numeric",
-									month: "numeric",
-									year: "numeric",
-								})}
+								<LocaleTime
+									date={result.startTime}
+									options={{
+										day: "numeric",
+										month: "numeric",
+										year: "numeric",
+									}}
+								/>
 							</td>
 							<td>
 								<div className="stack horizontal xs items-center">
diff --git a/app/features/top-search/routes/xsearch.tsx b/app/features/top-search/routes/xsearch.tsx
index 0b0e97ec7..abc85dafb 100644
--- a/app/features/top-search/routes/xsearch.tsx
+++ b/app/features/top-search/routes/xsearch.tsx
@@ -4,7 +4,7 @@ import type { MetaFunction } from "react-router";
 import { useLoaderData, useSearchParams } from "react-router";
 import { Main } from "~/components/Main";
 import type { Tables } from "~/db/tables";
-import { useTimeFormat } from "~/hooks/useTimeFormat";
+import { useDateTimeFormat } from "~/hooks/intl/useDateTimeFormat";
 import { rankedModesShort } from "~/modules/in-game-lists/modes";
 import type { RankedModeShort } from "~/modules/in-game-lists/types";
 import invariant from "~/utils/invariant";
@@ -38,7 +38,10 @@ export const meta: MetaFunction = (args) => {
 export default function XSearchPage() {
 	const [searchParams, setSearchParams] = useSearchParams();
 	const { t } = useTranslation(["common", "game-misc"]);
-	const { formatDate } = useTimeFormat();
+	const { formatter: monthYearRangeFormatter } = useDateTimeFormat({
+		month: "numeric",
+		year: "numeric",
+	});
 	const data = useLoaderData<typeof loader>();
 
 	const handleSelectChange = (event: React.ChangeEvent<HTMLSelectElement>) => {
@@ -62,11 +65,11 @@ export default function XSearchPage() {
 		searchParams.get("mode") ?? "SZ"
 	}-${searchParams.get("region") ?? "WEST"}`;
 
-	const formatMonthYear = (my: MonthYear) =>
-		formatDate(new Date(my.year, my.month - 1), {
-			month: "numeric",
-			year: "numeric",
-		});
+	const formatMonthYearRange = (from: MonthYear, to: MonthYear) =>
+		monthYearRangeFormatter.formatRange(
+			new Date(from.year, from.month - 1),
+			new Date(to.year, to.month - 1),
+		) ?? "";
 
 	return (
 		<Main halfWidth className="stack lg">
@@ -86,8 +89,7 @@ export default function XSearchPage() {
 								key={option.id}
 								value={`${option.span.value.month}-${option.span.value.year}-${option.mode}-${option.region}`}
 							>
-								{formatMonthYear(option.span.from)} -{" "}
-								{formatMonthYear(option.span.to)} /{" "}
+								{formatMonthYearRange(option.span.from, option.span.to)} /{" "}
 								{t(`game-misc:MODE_SHORT_${option.mode}`)} /{" "}
 								{t(`common:divisions.${option.region}`)}
 							</option>
diff --git a/app/features/tournament-bracket/components/Bracket/RoundHeader.tsx b/app/features/tournament-bracket/components/Bracket/RoundHeader.tsx
index a0e9032ea..e4607df00 100644
--- a/app/features/tournament-bracket/components/Bracket/RoundHeader.tsx
+++ b/app/features/tournament-bracket/components/Bracket/RoundHeader.tsx
@@ -1,10 +1,10 @@
 import clsx from "clsx";
 import { differenceInMinutes } from "date-fns";
 import * as React from "react";
+import { LocaleTime } from "~/components/LocaleTime";
 import type { TournamentRoundMaps } from "~/db/tables";
 import { useTournament } from "~/features/tournament/routes/to.$id";
 import { resolveLeagueRoundStartDate } from "~/features/tournament/tournament-utils";
-import { useTimeFormat } from "~/hooks/useTimeFormat";
 import { databaseTimestampToDate } from "~/utils/dates";
 import type { Unpacked } from "~/utils/types";
 import * as Deadline from "../../core/Deadline";
@@ -69,15 +69,17 @@ export function RoundHeader({
 }
 
 function LeagueRoundStartDate({ date }: { date: Date }) {
-	const { formatDate } = useTimeFormat();
-
 	return (
 		<div className={styles.elimRoundHeaderInfos}>
 			<div>
-				{formatDate(date, {
-					month: "numeric",
-					day: "numeric",
-				})}{" "}
+				<LocaleTime
+					date={date}
+					options={{
+						month: "numeric",
+						day: "numeric",
+					}}
+					inline
+				/>{" "}
 				→
 			</div>
 		</div>
diff --git a/app/features/tournament-bracket/components/BracketMapListDialog.tsx b/app/features/tournament-bracket/components/BracketMapListDialog.tsx
index 7899a46f8..36d61a6fe 100644
--- a/app/features/tournament-bracket/components/BracketMapListDialog.tsx
+++ b/app/features/tournament-bracket/components/BracketMapListDialog.tsx
@@ -20,6 +20,7 @@ import { ModeImage, StageImage } from "~/components/Image";
 import { InfoPopover } from "~/components/InfoPopover";
 import { Input } from "~/components/Input";
 import { Label } from "~/components/Label";
+import { LocaleTime } from "~/components/LocaleTime";
 import { SubmitButton } from "~/components/SubmitButton";
 import type { CustomPickBanFlow, TournamentRoundMaps } from "~/db/tables";
 import {
@@ -28,12 +29,10 @@ import {
 } from "~/features/tournament/routes/to.$id";
 import { TOURNAMENT } from "~/features/tournament/tournament-constants";
 import * as PickBan from "~/features/tournament-bracket/core/PickBan";
-import { useTimeFormat } from "~/hooks/useTimeFormat";
 import type { TournamentManagerDataSet } from "~/modules/brackets-manager/types";
 import { modesShort } from "~/modules/in-game-lists/modes";
 import type { ModeShort, StageId } from "~/modules/in-game-lists/types";
 import { nullFilledArray } from "~/utils/arrays";
-import { databaseTimestampToDate } from "~/utils/dates";
 import invariant from "~/utils/invariant";
 import { assertUnreachable } from "~/utils/types";
 import { calendarEditPage } from "~/utils/urls";
@@ -63,7 +62,6 @@ export function BracketMapListDialog({
 	isPreparing?: boolean;
 }) {
 	const { t } = useTranslation(["common"]);
-	const { formatDateTime } = useTimeFormat();
 	const fetcher = useFetcher();
 	const tournament = useTournament();
 	const untrimmedPreparedMaps = useBracketPreparedMaps(bracketIdx);
@@ -360,19 +358,20 @@ export function BracketMapListDialog({
 				) : null}
 				<div>
 					{preparedMaps ? (
-						<div
-							className="text-xs text-center text-lighter"
-							suppressHydrationWarning
-						>
+						<div className="text-xs text-center text-lighter">
 							Prepared by{" "}
 							{authorIdToUsername(tournament, preparedMaps.authorId)} @{" "}
-							{formatDateTime(databaseTimestampToDate(preparedMaps.createdAt), {
-								day: "numeric",
-								month: "numeric",
-								year: "numeric",
-								hour: "numeric",
-								minute: "2-digit",
-							})}
+							<LocaleTime
+								date={preparedMaps.createdAt}
+								options={{
+									day: "numeric",
+									month: "numeric",
+									year: "numeric",
+									hour: "numeric",
+									minute: "2-digit",
+								}}
+								inline
+							/>
 						</div>
 					) : null}
 				</div>
diff --git a/app/features/tournament-bracket/components/TournamentTeamActions.tsx b/app/features/tournament-bracket/components/TournamentTeamActions.tsx
index 76ff048d9..e0bbd0ee4 100644
--- a/app/features/tournament-bracket/components/TournamentTeamActions.tsx
+++ b/app/features/tournament-bracket/components/TournamentTeamActions.tsx
@@ -5,11 +5,11 @@ import * as React from "react";
 import { useFetcher } from "react-router";
 import { LinkButton, SendouButton } from "~/components/elements/Button";
 import { SendouPopover } from "~/components/elements/Popover";
+import { LocaleTimeRange } from "~/components/LocaleTimeRange";
 import { SubmitButton } from "~/components/SubmitButton";
 import { useUser } from "~/features/auth/core/user";
 import { soundEnabled, soundVolume } from "~/features/chat/chat-utils";
 import { useTournament } from "~/features/tournament/routes/to.$id";
-import { useTimeFormat } from "~/hooks/useTimeFormat";
 import { logger } from "~/utils/logger";
 import {
 	soundPath,
@@ -22,7 +22,6 @@ export function TournamentTeamActions() {
 	const tournament = useTournament();
 	const user = useUser();
 	const fetcher = useFetcher();
-	const { formatTime } = useTimeFormat();
 
 	const status = tournament.teamMemberOfProgressStatus(user);
 
@@ -104,18 +103,18 @@ export function TournamentTeamActions() {
 						</SubmitButton>
 					</fetcher.Form>
 				) : bracket.startTime && bracket.startTime > new Date() ? (
-					<span className="text-lighter text-xxs" suppressHydrationWarning>
+					<span className="text-lighter text-xxs">
 						open{" "}
-						{formatTime(sub(bracket.startTime, { hours: 1 }), {
-							hour: "numeric",
-							minute: "numeric",
-							weekday: "short",
-						})}{" "}
-						-{" "}
-						{formatTime(bracket.startTime, {
-							hour: "numeric",
-							minute: "numeric",
-						})}
+						<LocaleTimeRange
+							from={sub(bracket.startTime, { hours: 1 })}
+							to={bracket.startTime}
+							options={{
+								hour: "numeric",
+								minute: "numeric",
+								weekday: "short",
+							}}
+							inline
+						/>
 					</span>
 				) : bracket.startTime && bracket.startTime < new Date() ? (
 					<span className="text-warning">over</span>
diff --git a/app/features/tournament-bracket/routes/to.$id.brackets.tsx b/app/features/tournament-bracket/routes/to.$id.brackets.tsx
index e0f8e830b..a065cad67 100644
--- a/app/features/tournament-bracket/routes/to.$id.brackets.tsx
+++ b/app/features/tournament-bracket/routes/to.$id.brackets.tsx
@@ -23,12 +23,12 @@ import {
 	SendouTabPanel,
 	SendouTabs,
 } from "~/components/elements/Tabs";
+import { LocaleTimeRange } from "~/components/LocaleTimeRange";
 import { useUser } from "~/features/auth/core/user";
 import { useWebsocketRevalidation } from "~/features/chat/chat-hooks";
 import { TOURNAMENT } from "~/features/tournament/tournament-constants";
 import { useHydrated } from "~/hooks/useHydrated";
 import { useSearchParamState } from "~/hooks/useSearchParamState";
-import { useTimeFormat } from "~/hooks/useTimeFormat";
 import { useVisibilityChange } from "~/hooks/useVisibilityChange";
 import { SENDOU_INK_BASE_URL, tournamentJoinPage } from "~/utils/urls";
 import {
@@ -53,7 +53,6 @@ import styles from "../tournament-bracket.module.css";
 
 export default function TournamentBracketsPage() {
 	const { t } = useTranslation(["common", "tournament"]);
-	const { formatDateTime, formatTime } = useTimeFormat();
 	const visibility = useVisibilityChange();
 	const { revalidate } = useRevalidator();
 	const user = useUser();
@@ -287,8 +286,6 @@ export default function TournamentBracketsPage() {
 						bracketIdx={currentBracketIdx}
 						waitingForTeamsText={waitingForTeamsText}
 						teamsSourceText={teamsSourceText}
-						formatDateTime={formatDateTime}
-						formatTime={formatTime}
 					/>
 				)}
 			</BracketTabs>
@@ -550,15 +547,11 @@ function BracketTabContent({
 	bracketIdx,
 	waitingForTeamsText,
 	teamsSourceText,
-	formatDateTime,
-	formatTime,
 }: {
 	bracket: BracketType;
 	bracketIdx: number;
 	waitingForTeamsText: () => string;
 	teamsSourceText: () => string | null;
-	formatDateTime: (date: Date, options?: Intl.DateTimeFormatOptions) => string;
-	formatTime: (date: Date) => string;
 }) {
 	return (
 		<>
@@ -578,14 +571,19 @@ function BracketTabContent({
 						<div className="text-center text-sm font-semi-bold text-lighter mt-2 text-warning">
 							Bracket requires check-in{" "}
 							{bracket.startTime ? (
-								<span suppressHydrationWarning>
+								<span>
 									(open{" "}
-									{formatDateTime(sub(bracket.startTime, { hours: 1 }), {
-										hour: "numeric",
-										minute: "numeric",
-										weekday: "long",
-									})}{" "}
-									- {formatTime(bracket.startTime)})
+									<LocaleTimeRange
+										from={sub(bracket.startTime, { hours: 1 })}
+										to={bracket.startTime}
+										options={{
+											hour: "numeric",
+											minute: "numeric",
+											weekday: "long",
+										}}
+										inline
+									/>
+									)
 								</span>
 							) : null}
 						</div>
diff --git a/app/features/tournament-match/components/TournamentMatchBanner.tsx b/app/features/tournament-match/components/TournamentMatchBanner.tsx
index b1760e01b..8bff235fe 100644
--- a/app/features/tournament-match/components/TournamentMatchBanner.tsx
+++ b/app/features/tournament-match/components/TournamentMatchBanner.tsx
@@ -20,8 +20,8 @@ import {
 	resolveLeagueRoundStartDate,
 } from "~/features/tournament/tournament-utils";
 import * as PickBan from "~/features/tournament-bracket/core/PickBan";
+import { useDateTimeFormat } from "~/hooks/intl/useDateTimeFormat";
 import { useAutoRerender } from "~/hooks/useAutoRerender";
-import { useTimeFormat } from "~/hooks/useTimeFormat";
 import type { ModeShort } from "~/modules/in-game-lists/types";
 import type { TournamentMaplistSource } from "~/modules/tournament-map-list-generator/types";
 import { databaseTimestampToDate } from "~/utils/dates";
@@ -34,7 +34,11 @@ export function TournamentMatchBanner({
 	data: TournamentMatchLoaderData;
 }) {
 	const { t } = useTranslation(["tournament"]);
-	const { formatDate } = useTimeFormat();
+	const { formatter: leagueRoundDateFormatter } = useDateTimeFormat({
+		day: "numeric",
+		month: "numeric",
+		year: "numeric",
+	});
 	const tournament = useTournament();
 	const {
 		currentMap,
@@ -85,11 +89,8 @@ export function TournamentMatchBanner({
 					subtitle={
 						leagueRoundStartDate
 							? t("tournament:match.leagueLocked.subtitle", {
-									date: formatDate(leagueRoundStartDate, {
-										day: "numeric",
-										month: "numeric",
-										year: "numeric",
-									}),
+									date:
+										leagueRoundDateFormatter.format(leagueRoundStartDate) ?? "",
 								})
 							: undefined
 					}
diff --git a/app/features/tournament-organization/components/BannedPlayersList.tsx b/app/features/tournament-organization/components/BannedPlayersList.tsx
index a50980671..f4235d6c1 100644
--- a/app/features/tournament-organization/components/BannedPlayersList.tsx
+++ b/app/features/tournament-organization/components/BannedPlayersList.tsx
@@ -6,10 +6,10 @@ import { Link } from "react-router";
 import { Avatar } from "~/components/Avatar";
 import { SendouButton } from "~/components/elements/Button";
 import { FormWithConfirm } from "~/components/FormWithConfirm";
+import { LocaleTime } from "~/components/LocaleTime";
 import { Table } from "~/components/Table";
 import { BanUserModal } from "~/features/tournament-organization/components/BanUserModal";
 import type { OrganizationPageLoaderData } from "~/features/tournament-organization/loaders/org.$slug.server";
-import { useTimeFormat } from "~/hooks/useTimeFormat";
 import { databaseTimestampToDate } from "~/utils/dates";
 import { userPage } from "~/utils/urls";
 import styles from "../components/BannedPlayersList.module.css";
@@ -22,7 +22,6 @@ export function BannedUsersList({
 	bannedUsers: NonNullable<OrganizationPageLoaderData["bannedUsers"]>;
 }) {
 	const { t } = useTranslation(["org"]);
-	const { formatDate } = useTimeFormat();
 
 	const bannedUsersKey = (bannedUsers ?? [])
 		.map((u) => [u.id, u.privateNote].join("-"))
@@ -80,23 +79,28 @@ export function BannedUsersList({
 										<BanNote note={bannedUser.privateNote} />
 									</td>
 									<td className="text-sm text-lighter whitespace-nowrap">
-										{formatDate(databaseTimestampToDate(bannedUser.updatedAt), {
-											day: "numeric",
-											month: "numeric",
-											year: "numeric",
-										})}
+										<LocaleTime
+											date={bannedUser.updatedAt}
+											options={{
+												day: "numeric",
+												month: "numeric",
+												year: "numeric",
+											}}
+										/>
 									</td>
 									<td className="text-sm text-lighter whitespace-nowrap">
-										{bannedUser.expiresAt
-											? formatDate(
-													databaseTimestampToDate(bannedUser.expiresAt),
-													{
-														day: "numeric",
-														month: "numeric",
-														year: "numeric",
-													},
-												)
-											: t("org:banned.permanent")}
+										{bannedUser.expiresAt ? (
+											<LocaleTime
+												date={bannedUser.expiresAt}
+												options={{
+													day: "numeric",
+													month: "numeric",
+													year: "numeric",
+												}}
+											/>
+										) : (
+											t("org:banned.permanent")
+										)}
 									</td>
 									<td className={styles.actionsCell}>
 										<FormWithConfirm
diff --git a/app/features/tournament-organization/components/EventCalendar.tsx b/app/features/tournament-organization/components/EventCalendar.tsx
index 430476340..d9b7dc2f9 100644
--- a/app/features/tournament-organization/components/EventCalendar.tsx
+++ b/app/features/tournament-organization/components/EventCalendar.tsx
@@ -1,9 +1,9 @@
 import clsx from "clsx";
 import { useTranslation } from "react-i18next";
 import { LinkButton } from "~/components/elements/Button";
+import { LocaleTime } from "~/components/LocaleTime";
 import type { MonthYear } from "~/features/plus-voting/core";
 import { useHydrated } from "~/hooks/useHydrated";
-import { useTimeFormat } from "~/hooks/useTimeFormat";
 import { databaseTimestampToDate, nullPaddedDatesOfMonth } from "~/utils/dates";
 import type { SerializeFrom } from "~/utils/remix";
 import type { loader } from "../loaders/org.$slug.server";
@@ -111,7 +111,6 @@ const monthYearSearchParams = ({ month, year }: MonthYear) =>
 	]).toString();
 function MonthSelector({ month, year }: { month: number; year: number }) {
 	const date = new Date(Date.UTC(year, month, 15));
-	const { formatDate } = useTimeFormat();
 
 	return (
 		<div className={styles.calendarMonthSelector}>
@@ -130,10 +129,13 @@ function MonthSelector({ month, year }: { month: number; year: number }) {
 				{"<"}
 			</LinkButton>
 			<div>
-				{formatDate(date, {
-					year: "numeric",
-					month: "numeric",
-				})}
+				<LocaleTime
+					date={date}
+					options={{
+						year: "numeric",
+						month: "numeric",
+					}}
+				/>
 			</div>
 			<LinkButton
 				variant="minimal"
diff --git a/app/features/tournament-organization/routes/org.$slug.tsx b/app/features/tournament-organization/routes/org.$slug.tsx
index 11c5a1681..93324dfe6 100644
--- a/app/features/tournament-organization/routes/org.$slug.tsx
+++ b/app/features/tournament-organization/routes/org.$slug.tsx
@@ -1,4 +1,3 @@
-import clsx from "clsx";
 import { Link as LinkIcon, Lock, LogOut, SquarePen, Users } from "lucide-react";
 import { useTranslation } from "react-i18next";
 import type { MetaFunction } from "react-router";
@@ -15,6 +14,7 @@ import {
 } from "~/components/elements/Tabs";
 import { FormWithConfirm } from "~/components/FormWithConfirm";
 import { Image } from "~/components/Image";
+import { LocaleTime } from "~/components/LocaleTime";
 import { Main } from "~/components/Main";
 import { Pagination } from "~/components/Pagination";
 import { Placement } from "~/components/Placement";
@@ -23,8 +23,6 @@ import { useUser } from "~/features/auth/core/user";
 import { BadgeDisplay } from "~/features/badges/components/BadgeDisplay";
 import { BannedUsersList } from "~/features/tournament-organization/components/BannedPlayersList";
 import { SendouForm } from "~/form/SendouForm";
-import { useHydrated } from "~/hooks/useHydrated";
-import { useTimeFormat } from "~/hooks/useTimeFormat";
 import { useHasPermission, useHasRole } from "~/modules/permissions/hooks";
 import { databaseTimestampNow, databaseTimestampToDate } from "~/utils/dates";
 import { metaTags, type SerializeFrom } from "~/utils/remix";
@@ -374,7 +372,6 @@ function SeriesHeader({
 	series: NonNullable<SerializeFrom<typeof loader>["series"]>;
 }) {
 	const { t } = useTranslation(["org"]);
-	const { formatDate } = useTimeFormat();
 
 	return (
 		<div className="stack md">
@@ -398,10 +395,11 @@ function SeriesHeader({
 					{series.established ? (
 						<div className="text-lighter text-italic text-xs">
 							{t("org:events.established.short")}{" "}
-							{formatDate(databaseTimestampToDate(series.established), {
-								month: "numeric",
-								year: "numeric",
-							})}
+							<LocaleTime
+								date={series.established}
+								options={{ month: "numeric", year: "numeric" }}
+								inline
+							/>
 						</div>
 					) : null}
 				</div>
@@ -502,9 +500,6 @@ function EventInfo({
 	event: SerializeFrom<typeof loader>["events"][number];
 	showYear?: boolean;
 }) {
-	const { formatDateTime } = useTimeFormat();
-	const isHydrated = useHydrated();
-
 	return (
 		<div className="stack sm">
 			<Link
@@ -520,19 +515,17 @@ function EventInfo({
 				) : null}
 				<div>
 					<div>{event.name}</div>
-					<time
-						className={clsx(styles.eventInfoTime, { invisible: !isHydrated })}
-					>
-						{isHydrated
-							? formatDateTime(databaseTimestampToDate(event.startTime), {
-									day: "numeric",
-									month: "numeric",
-									hour: "numeric",
-									minute: "numeric",
-									year: showYear ? "numeric" : undefined,
-								})
-							: "X"}
-					</time>
+					<LocaleTime
+						date={event.startTime}
+						options={{
+							day: "numeric",
+							month: "numeric",
+							hour: "numeric",
+							minute: "numeric",
+							year: showYear ? "numeric" : undefined,
+						}}
+						className={styles.eventInfoTime}
+					/>
 				</div>
 			</Link>
 			<EventWinners
diff --git a/app/features/tournament/routes/to.$id.register.tsx b/app/features/tournament/routes/to.$id.register.tsx
index 629a0c723..afb73af83 100644
--- a/app/features/tournament/routes/to.$id.register.tsx
+++ b/app/features/tournament/routes/to.$id.register.tsx
@@ -45,10 +45,10 @@ import { imgTypeToDimensions } from "~/features/img-upload/upload-constants";
 import { MapPool } from "~/features/map-list-generator/core/map-pool";
 import { ModeMapPoolPicker } from "~/features/sendouq-settings/components/ModeMapPoolPicker";
 import type { TournamentDataTeam } from "~/features/tournament-bracket/core/Tournament.server";
+import { useDateTimeFormat } from "~/hooks/intl/useDateTimeFormat";
 import { useAutoRerender } from "~/hooks/useAutoRerender";
 import { useHydrated } from "~/hooks/useHydrated";
 import { useSearchParamState } from "~/hooks/useSearchParamState";
-import { useTimeFormat } from "~/hooks/useTimeFormat";
 import { modesShort, rankedModesShort } from "~/modules/in-game-lists/modes";
 import invariant from "~/utils/invariant";
 import { logger } from "~/utils/logger";
@@ -398,8 +398,12 @@ function RegistrationProgress({
 }) {
 	const { t } = useTranslation(["tournament"]);
 	const tournament = useTournament();
-	const isHydrated = useHydrated();
-	const { formatDate } = useTimeFormat();
+	const { formatter: registrationClosesFormatter } = useDateTimeFormat({
+		minute: "numeric",
+		hour: "numeric",
+		day: "numeric",
+		month: "numeric",
+	});
 
 	const completedIfTruthy = (condition: unknown) =>
 		condition ? "completed" : "incomplete";
@@ -439,19 +443,12 @@ function RegistrationProgress({
 		tournament.registrationClosesAt.getTime() !==
 		tournament.ctx.startTime.getTime();
 
-	const registrationClosesAtString = isHydrated
-		? formatDate(
-				tournament.isLeagueSignup
-					? tournament.ctx.startTime
-					: tournament.registrationClosesAt,
-				{
-					minute: "numeric",
-					hour: "numeric",
-					day: "2-digit",
-					month: "2-digit",
-				},
-			)
-		: "";
+	const registrationClosesAtString =
+		registrationClosesFormatter.format(
+			tournament.isLeagueSignup
+				? tournament.ctx.startTime
+				: tournament.registrationClosesAt,
+		) ?? "";
 
 	return (
 		<div>
@@ -521,29 +518,19 @@ function CheckIn({
 	const { t } = useTranslation(["tournament"]);
 	const isHydrated = useHydrated();
 	const fetcher = useFetcher();
-	const { formatDate } = useTimeFormat();
+	const { formatter: checkInFormatter } = useDateTimeFormat({
+		minute: "numeric",
+		hour: "numeric",
+		day: "2-digit",
+		month: "2-digit",
+	});
 
 	const now = useAutoRerender();
 	const status: "OVER" | "OPEN" | "UPCOMING" =
 		now > endDate ? "OVER" : now >= startDate ? "OPEN" : "UPCOMING";
 
-	const checkInStartsString = isHydrated
-		? formatDate(startDate, {
-				minute: "numeric",
-				hour: "numeric",
-				day: "2-digit",
-				month: "2-digit",
-			})
-		: "";
-
-	const checkInEndsString = isHydrated
-		? formatDate(endDate, {
-				minute: "numeric",
-				hour: "numeric",
-				day: "2-digit",
-				month: "2-digit",
-			})
-		: "";
+	const checkInStartsString = checkInFormatter.format(startDate) ?? "";
+	const checkInEndsString = checkInFormatter.format(endDate) ?? "";
 
 	if (status === "UPCOMING") {
 		return (
diff --git a/app/features/user-page/components/UserResultsTable.tsx b/app/features/user-page/components/UserResultsTable.tsx
index bf321e767..c0d223fbe 100644
--- a/app/features/user-page/components/UserResultsTable.tsx
+++ b/app/features/user-page/components/UserResultsTable.tsx
@@ -4,11 +4,10 @@ import { Link } from "react-router";
 import { Avatar } from "~/components/Avatar";
 import { SendouButton } from "~/components/elements/Button";
 import { SendouPopover } from "~/components/elements/Popover";
+import { LocaleTime } from "~/components/LocaleTime";
 import { Placement } from "~/components/Placement";
 import { Table } from "~/components/Table";
 import { TierPill } from "~/components/TierPill";
-import { useTimeFormat } from "~/hooks/useTimeFormat";
-import { databaseTimestampToDate } from "~/utils/dates";
 import {
 	calendarEventPage,
 	tournamentBracketsPage,
@@ -35,7 +34,6 @@ export function UserResultsTable({
 	hasHighlightCheckboxes,
 }: UserResultsTableProps) {
 	const { t } = useTranslation("user");
-	const { formatDate } = useTimeFormat();
 
 	const placementHeaderId = `${id}-th-placement`;
 
@@ -121,11 +119,14 @@ export function UserResultsTable({
 								</div>
 							</td>
 							<td className="whitespace-nowrap">
-								{formatDate(databaseTimestampToDate(result.startTime), {
-									day: "numeric",
-									month: "numeric",
-									year: "2-digit",
-								})}
+								<LocaleTime
+									date={result.startTime}
+									options={{
+										day: "numeric",
+										month: "numeric",
+										year: "2-digit",
+									}}
+								/>
 							</td>
 							<td>
 								<ParticipationPill setResults={result.setResults} />
diff --git a/app/features/user-page/components/Widget.tsx b/app/features/user-page/components/Widget.tsx
index 993164f7b..38d09e98c 100644
--- a/app/features/user-page/components/Widget.tsx
+++ b/app/features/user-page/components/Widget.tsx
@@ -1,6 +1,5 @@
 import clsx from "clsx";
 import { Link2 as LinkIcon } from "lucide-react";
-import * as React from "react";
 import { useTranslation } from "react-i18next";
 import { Link } from "react-router";
 import { Avatar } from "~/components/Avatar";
@@ -12,6 +11,7 @@ import { BskyIcon } from "~/components/icons/Bsky";
 import { DiscordIcon } from "~/components/icons/Discord";
 import { TwitchIcon } from "~/components/icons/Twitch";
 import { YouTubeIcon } from "~/components/icons/YouTube";
+import { LocaleTime } from "~/components/LocaleTime";
 import { Markdown } from "~/components/Markdown";
 import { Pagination } from "~/components/Pagination";
 import { Placement } from "~/components/Placement";
@@ -19,16 +19,16 @@ import type { Tables } from "~/db/tables";
 import { previewUrl } from "~/features/art/art-utils";
 import { BadgeDisplay } from "~/features/badges/components/BadgeDisplay";
 import { VodListing } from "~/features/vods/components/VodListing";
+import { useDateTimeFormat } from "~/hooks/intl/useDateTimeFormat";
+import { useAutoRerender } from "~/hooks/useAutoRerender";
 import { useMainContentWidth } from "~/hooks/useMainContentWidth";
 import { usePagination } from "~/hooks/usePagination";
-import { useTimeFormat } from "~/hooks/useTimeFormat";
 import type { GameBadgeId } from "~/modules/in-game-lists/game-badge-ids";
 import type {
 	MainWeaponId,
 	ModeShort,
 	StageId,
 } from "~/modules/in-game-lists/types";
-import { databaseTimestampToDate } from "~/utils/dates";
 import { logger } from "~/utils/logger";
 import type { SerializeFrom } from "~/utils/remix";
 import { assertUnreachable } from "~/utils/types";
@@ -62,7 +62,11 @@ export function Widget({
 	user: Pick<Tables["User"], "discordId" | "customUrl">;
 }) {
 	const { t } = useTranslation(["user", "badges", "team", "org", "lfg"]);
-	const { formatDate } = useTimeFormat();
+	const { formatter: patronSinceFormatter } = useDateTimeFormat({
+		day: "numeric",
+		month: "numeric",
+		year: "numeric",
+	});
 
 	const content = () => {
 		switch (widget.id) {
@@ -166,13 +170,7 @@ export function Widget({
 			case "patron-since":
 				if (!widget.data) return null;
 				return (
-					<BigValue
-						value={formatDate(databaseTimestampToDate(widget.data), {
-							day: "numeric",
-							month: "numeric",
-							year: "numeric",
-						})}
-					/>
+					<BigValue value={patronSinceFormatter.format(widget.data) ?? ""} />
 				);
 			case "join-date":
 				if (!widget.data) return null;
@@ -373,8 +371,6 @@ function HighlightedResults({
 }: {
 	results: Extract<LoadedWidget, { id: "highlighted-results" }>["data"];
 }) {
-	const { formatDate } = useTimeFormat();
-
 	return (
 		<div className={styles.highlightedResults}>
 			{results.map((result, i) => (
@@ -414,13 +410,15 @@ function HighlightedResults({
 								</div>
 							) : null}
 						</div>
-						<div className={styles.resultDate}>
-							{formatDate(databaseTimestampToDate(result.startTime), {
+						<LocaleTime
+							date={result.startTime}
+							options={{
 								day: "numeric",
 								month: "numeric",
 								year: "numeric",
-							})}
-						</div>
+							}}
+							className={styles.resultDate}
+						/>
 					</div>
 				</div>
 			))}
@@ -538,36 +536,31 @@ function XRankPeaks({
 }
 
 function TimezoneWidget({ timezone }: { timezone: string }) {
-	const { formatTime, formatDate } = useTimeFormat();
-	const [currentTime, setCurrentTime] = React.useState(() => new Date());
-
-	React.useEffect(() => {
-		const interval = setInterval(() => {
-			setCurrentTime(new Date());
-		}, 1000);
-
-		return () => clearInterval(interval);
-	}, []);
+	const currentTime = useAutoRerender("second");
 
 	try {
 		return (
 			<div className="stack sm items-center">
-				<div className={styles.widgetValueMain} suppressHydrationWarning>
-					{formatTime(currentTime, {
+				<LocaleTime
+					date={currentTime}
+					options={{
 						timeZone: timezone,
 						hour: "numeric",
 						minute: "2-digit",
 						second: "2-digit",
-					})}
-				</div>
-				<div className={styles.widgetValueFooter} suppressHydrationWarning>
-					{formatDate(currentTime, {
+					}}
+					className={styles.widgetValueMain}
+				/>
+				<LocaleTime
+					date={currentTime}
+					options={{
 						timeZone: timezone,
 						weekday: "short",
 						day: "numeric",
 						month: "numeric",
-					})}
-				</div>
+					}}
+					className={styles.widgetValueFooter}
+				/>
 			</div>
 		);
 	} catch {
diff --git a/app/features/user-page/routes/u.$identifier.admin.tsx b/app/features/user-page/routes/u.$identifier.admin.tsx
index b8b713ff9..32fa9f3f3 100644
--- a/app/features/user-page/routes/u.$identifier.admin.tsx
+++ b/app/features/user-page/routes/u.$identifier.admin.tsx
@@ -4,11 +4,10 @@ import { Divider } from "~/components/Divider";
 import { SendouButton } from "~/components/elements/Button";
 import { SendouDialog } from "~/components/elements/Dialog";
 import { FormWithConfirm } from "~/components/FormWithConfirm";
+import { LocaleTime } from "~/components/LocaleTime";
 import { useUser } from "~/features/auth/core/user";
 import { addModNoteSchema } from "~/features/user-page/user-page-schemas";
 import { SendouForm } from "~/form";
-import { useTimeFormat } from "~/hooks/useTimeFormat";
-import { databaseTimestampToDate } from "~/utils/dates";
 import invariant from "~/utils/invariant";
 import { userPage } from "~/utils/urls";
 import { action } from "../actions/u.$identifier.admin.server";
@@ -57,32 +56,39 @@ export default function UserAdminPage() {
 
 function AccountInfos() {
 	const data = useLoaderData<typeof loader>();
-	const { formatDateTime } = useTimeFormat();
 
 	return (
 		<dl>
 			<dt>User account created at</dt>
 			<dd>
-				{data.createdAt
-					? formatDateTime(databaseTimestampToDate(data.createdAt), {
+				{data.createdAt ? (
+					<LocaleTime
+						date={data.createdAt}
+						options={{
 							year: "numeric",
 							month: "numeric",
 							day: "numeric",
 							hour: "2-digit",
 							minute: "2-digit",
-						})
-					: "―"}
+						}}
+					/>
+				) : (
+					"―"
+				)}
 			</dd>
 
 			<dt>Discord account created at</dt>
 			<dd>
-				{formatDateTime(new Date(data.discordAccountCreatedAt), {
-					year: "numeric",
-					month: "numeric",
-					day: "numeric",
-					hour: "2-digit",
-					minute: "2-digit",
-				})}
+				<LocaleTime
+					date={new Date(data.discordAccountCreatedAt)}
+					options={{
+						year: "numeric",
+						month: "numeric",
+						day: "numeric",
+						hour: "2-digit",
+						minute: "2-digit",
+					}}
+				/>
 			</dd>
 
 			<dt>Discord ID</dt>
@@ -113,7 +119,6 @@ function AccountInfos() {
 function ModNotes() {
 	const user = useUser();
 	const data = useLoaderData<typeof loader>();
-	const { formatDateTime } = useTimeFormat();
 
 	if (!data.modNotes || data.modNotes.length === 0) {
 		return (
@@ -128,15 +133,17 @@ function ModNotes() {
 		<div className="stack lg">
 			{data.modNotes.map((note) => (
 				<div key={note.noteId}>
-					<p className="font-bold">
-						{formatDateTime(databaseTimestampToDate(note.createdAt), {
+					<LocaleTime
+						date={note.createdAt}
+						options={{
 							year: "numeric",
 							month: "numeric",
 							day: "numeric",
-							hour: "2-digit",
-							minute: "2-digit",
-						})}
-					</p>
+							hour: "numeric",
+							minute: "numeric",
+						}}
+						className="font-bold"
+					/>
 					<p className="ml-2">By: {note.username}</p>
 					<p className="ml-2 whitespace-pre-wrap">Note: {note.text}</p>
 					{note.discordId === user?.discordId ? (
@@ -184,7 +191,6 @@ function NewModNoteDialog() {
 
 function BanLog() {
 	const data = useLoaderData<typeof loader>();
-	const { formatDateTime } = useTimeFormat();
 
 	if (!data.banLogs || data.banLogs.length === 0) {
 		return <p className="text-center text-lighter italic">No bans</p>;
@@ -194,15 +200,17 @@ function BanLog() {
 		<div className="stack lg">
 			{data.banLogs.map((ban) => (
 				<div key={ban.createdAt}>
-					<p className="font-bold">
-						{formatDateTime(databaseTimestampToDate(ban.createdAt), {
+					<LocaleTime
+						date={ban.createdAt}
+						options={{
 							year: "numeric",
 							month: "numeric",
 							day: "numeric",
-							hour: "2-digit",
-							minute: "2-digit",
-						})}
-					</p>
+							hour: "numeric",
+							minute: "numeric",
+						}}
+						className="font-bold"
+					/>
 					{ban.banned === 0 ? (
 						<p className="text-success ml-2">Unbanned</p>
 					) : (
@@ -212,15 +220,21 @@ function BanLog() {
 					{typeof ban.banned === "number" && ban.banned !== 0 ? (
 						<p className="ml-2">
 							Banned till:{" "}
-							{ban.banned !== 1
-								? formatDateTime(databaseTimestampToDate(ban.banned), {
+							{ban.banned !== 1 ? (
+								<LocaleTime
+									date={ban.banned}
+									options={{
 										year: "numeric",
 										month: "numeric",
 										day: "numeric",
-										hour: "2-digit",
-										minute: "2-digit",
-									})
-								: "No end date set"}
+										hour: "numeric",
+										minute: "numeric",
+									}}
+									inline
+								/>
+							) : (
+								"No end date set"
+							)}
 						</p>
 					) : null}
 					{ban.banned !== 0 ? (
@@ -239,7 +253,6 @@ function BanLog() {
 
 function FriendCodes() {
 	const data = useLoaderData<typeof loader>();
-	const { formatDateTime } = useTimeFormat();
 
 	if (!data.friendCodes || data.friendCodes.length === 0) {
 		return <p className="text-center text-lighter italic">No friend codes</p>;
@@ -252,13 +265,17 @@ function FriendCodes() {
 					<p className="font-bold">{fc.friendCode}</p>
 					<p className="ml-2">
 						{index === 0 ? "Current" : "Past"} - Added on{" "}
-						{formatDateTime(databaseTimestampToDate(fc.createdAt), {
-							year: "numeric",
-							month: "numeric",
-							day: "numeric",
-							hour: "2-digit",
-							minute: "2-digit",
-						})}
+						<LocaleTime
+							date={fc.createdAt}
+							options={{
+								year: "numeric",
+								month: "numeric",
+								day: "numeric",
+								hour: "numeric",
+								minute: "numeric",
+							}}
+							inline
+						/>
 					</p>
 					<p className="ml-2">Submitted by: {fc.submitterUsername}</p>
 				</div>
diff --git a/app/features/user-page/routes/u.$identifier.seasons.tsx b/app/features/user-page/routes/u.$identifier.seasons.tsx
index 58e1ccd6a..b7d2f465c 100644
--- a/app/features/user-page/routes/u.$identifier.seasons.tsx
+++ b/app/features/user-page/routes/u.$identifier.seasons.tsx
@@ -30,6 +30,8 @@ import {
 	TierImage,
 	WeaponImage,
 } from "~/components/Image";
+import { LocaleTime } from "~/components/LocaleTime";
+import { LocaleTimeRange } from "~/components/LocaleTimeRange";
 import { mainStyles } from "~/components/Main";
 import { Pagination } from "~/components/Pagination";
 import { SubNav, SubNavLink } from "~/components/SubNav";
@@ -42,8 +44,6 @@ import type {
 	SeasonTournamentResult,
 } from "~/features/sendouq-match/SQMatchRepository.server";
 import { useWeaponUsage } from "~/hooks/swr";
-import { useHydrated } from "~/hooks/useHydrated";
-import { useTimeFormat } from "~/hooks/useTimeFormat";
 import { modesShort } from "~/modules/in-game-lists/modes";
 import { stageIds } from "~/modules/in-game-lists/stage-ids";
 import type { ModeShort, StageId } from "~/modules/in-game-lists/types";
@@ -205,15 +205,10 @@ function SeasonHeader({
 	seasonsParticipatedIn: number[];
 }) {
 	const { t } = useTranslation(["user"]);
-	const { formatDate } = useTimeFormat();
-	const isHydrated = useHydrated();
 	const { starts, ends } = Seasons.nthToDateRange(seasonViewed);
 	const navigate = useNavigate();
 	const options = useSeasonSelectOptions();
 
-	const isDifferentYears =
-		new Date(starts).getFullYear() !== new Date(ends).getFullYear();
-
 	return (
 		<div>
 			<SendouSelect
@@ -236,28 +231,17 @@ function SeasonHeader({
 					</SendouSelectItemSection>
 				)}
 			</SendouSelect>
-			<div
-				className={clsx("text-sm text-lighter mt-2", {
-					invisible: !isHydrated,
-				})}
-			>
-				{isHydrated ? (
-					<>
-						{formatDate(new Date(starts), {
-							day: "numeric",
-							month: "numeric",
-							year: isDifferentYears ? "numeric" : undefined,
-						})}{" "}
-						-{" "}
-						{formatDate(new Date(ends), {
-							day: "numeric",
-							month: "numeric",
-							year: "numeric",
-						})}
-					</>
-				) : (
-					"0"
-				)}
+			<div className="text-sm text-lighter mt-2">
+				<LocaleTimeRange
+					from={new Date(starts)}
+					to={new Date(ends)}
+					options={{
+						day: "numeric",
+						month: "numeric",
+						year: "numeric",
+					}}
+					inline
+				/>
 			</div>
 		</div>
 	);
@@ -702,8 +686,6 @@ function CanceledMatchesDialog({
 }: {
 	canceledMatches: NonNullable<UserSeasonsPageLoaderData["canceled"]>;
 }) {
-	const { formatDateTime } = useTimeFormat();
-
 	return (
 		<SendouDialog
 			trigger={
@@ -720,9 +702,16 @@ function CanceledMatchesDialog({
 				{canceledMatches.map((match) => (
 					<div key={match.id}>
 						<Link to={sendouQMatchPage(match.id)}>#{match.id}</Link>
-						<div>
-							{formatDateTime(databaseTimestampToDate(match.createdAt))}
-						</div>
+						<LocaleTime
+							date={match.createdAt}
+							options={{
+								year: "numeric",
+								month: "numeric",
+								day: "numeric",
+								hour: "numeric",
+								minute: "numeric",
+							}}
+						/>
 					</div>
 				))}
 			</div>
@@ -737,8 +726,6 @@ function Results({
 	seasonViewed: number;
 	results: UserSeasonsPageLoaderData["results"];
 }) {
-	const isHydrated = useHydrated();
-	const { formatDate } = useTimeFormat();
 	const [, setSearchParams] = useSearchParams();
 	const ref = React.useRef<HTMLDivElement>(null);
 
@@ -766,22 +753,20 @@ function Results({
 
 						return (
 							<React.Fragment key={result.id}>
-								<div
+								<LocaleTime
+									date={result.createdAt}
+									options={{
+										weekday: "long",
+										month: "numeric",
+										day: "numeric",
+									}}
 									className={clsx(
 										"text-xs font-semi-bold text-theme-secondary",
 										{
-											invisible: !isHydrated || !shouldRenderDateHeader,
+											invisible: !shouldRenderDateHeader,
 										},
 									)}
-								>
-									{isHydrated
-										? formatDate(databaseTimestampToDate(result.createdAt), {
-												weekday: "long",
-												month: "numeric",
-												day: "numeric",
-											})
-										: "t"}
-								</div>
+								/>
 								{result.type === "GROUP_MATCH" ? (
 									<GroupMatchResult match={result.groupMatch} />
 								) : (
diff --git a/app/features/vods/routes/vods.$id.tsx b/app/features/vods/routes/vods.$id.tsx
index e15453708..271636838 100644
--- a/app/features/vods/routes/vods.$id.tsx
+++ b/app/features/vods/routes/vods.$id.tsx
@@ -8,14 +8,12 @@ import { LinkButton } from "~/components/elements/Button";
 import { SendouDialog } from "~/components/elements/Dialog";
 import { FormWithConfirm } from "~/components/FormWithConfirm";
 import { Image, WeaponImage } from "~/components/Image";
+import { LocaleTime } from "~/components/LocaleTime";
 import { Main } from "~/components/Main";
 import { YouTubeEmbed } from "~/components/YouTubeEmbed";
 import { useUser } from "~/features/auth/core/user";
-import { useHydrated } from "~/hooks/useHydrated";
 import { useSearchParamState } from "~/hooks/useSearchParamState";
-import { useTimeFormat } from "~/hooks/useTimeFormat";
 import { shortStageName } from "~/modules/in-game-lists/stage-ids";
-import { databaseTimestampToDate } from "~/utils/dates";
 import { metaTags, type SerializeFrom } from "~/utils/remix";
 import type { SendouRouteHandle } from "~/utils/remix.server";
 import type { Unpacked } from "~/utils/types";
@@ -80,12 +78,10 @@ export default function VodPage() {
 		defaultValue: 0,
 		revive: Number,
 	});
-	const isHydrated = useHydrated();
 	const [autoplay, setAutoplay] = React.useState(false);
 	const data = useLoaderData<typeof loader>();
 	const { t } = useTranslation(["common", "vods"]);
 	const user = useUser();
-	const { formatDate } = useTimeFormat();
 
 	return (
 		<Main className="stack lg">
@@ -100,19 +96,15 @@ export default function VodPage() {
 				<div className="stack horizontal justify-between">
 					<div className="stack horizontal sm items-center">
 						<PovUser pov={data.vod.pov} />
-						<time
-							className={clsx("text-lighter text-xs", {
-								invisible: !isHydrated,
-							})}
-						>
-							{isHydrated
-								? formatDate(databaseTimestampToDate(data.vod.youtubeDate), {
-										day: "numeric",
-										month: "numeric",
-										year: "numeric",
-									})
-								: "t"}
-						</time>
+						<LocaleTime
+							date={data.vod.youtubeDate}
+							options={{
+								day: "numeric",
+								month: "numeric",
+								year: "numeric",
+							}}
+							className="text-lighter text-xs"
+						/>
 					</div>
 
 					{canEditVideo({
diff --git a/app/hooks/intl/useDateTimeFormat.ts b/app/hooks/intl/useDateTimeFormat.ts
new file mode 100644
index 000000000..dc026aa76
--- /dev/null
+++ b/app/hooks/intl/useDateTimeFormat.ts
@@ -0,0 +1,45 @@
+import { databaseTimestampToDate } from "~/utils/dates";
+import { useUserIntlPreference } from "./useUserIntlPreference";
+
+const SSR_FORMATTER = {
+	format: (_date: Date | number) => null,
+	formatRange: (_from: Date | number, _to: Date | number) => null,
+};
+
+/**
+ * SSR-safe wrapper around `Intl.DateTimeFormat`.
+ *
+ * Uses the user's locale and hour cycle preferences via `useUserIntlPreference`.
+ * Before hydration the returned formatter's methods return `null` so that
+ * server output matches the initial client render.
+ *
+ * Inputs accept either a `Date` or a database timestamp (`number`); numbers
+ * are converted via `databaseTimestampToDate`.
+ */
+export function useDateTimeFormat(options: Intl.DateTimeFormatOptions) {
+	const { language, hourCycle, isLoaded } = useUserIntlPreference();
+
+	const formatter = new Intl.DateTimeFormat(language, {
+		...options,
+		...(options.hour && hourCycle ? { hourCycle } : {}),
+	});
+
+	const realFormatter = {
+		format: (date: Date | number) => {
+			return formatter.format(
+				typeof date === "number" ? databaseTimestampToDate(date) : date,
+			);
+		},
+		formatRange: (from: Date | number, to: Date | number) => {
+			return formatter.formatRange(
+				typeof from === "number" ? databaseTimestampToDate(from) : from,
+				typeof to === "number" ? databaseTimestampToDate(to) : to,
+			);
+		},
+	};
+
+	return {
+		formatter: isLoaded ? realFormatter : SSR_FORMATTER,
+		isLoaded,
+	};
+}
diff --git a/app/hooks/intl/useFormatDistanceToNow.ts b/app/hooks/intl/useFormatDistanceToNow.ts
new file mode 100644
index 000000000..e8f7381ea
--- /dev/null
+++ b/app/hooks/intl/useFormatDistanceToNow.ts
@@ -0,0 +1,35 @@
+import { useTranslation } from "react-i18next";
+import type { LanguageCode } from "~/modules/i18n/config";
+import {
+	databaseTimestampToDate,
+	formatDistanceToNow as formatDistanceToNowUtil,
+} from "~/utils/dates";
+
+/**
+ * Hook that returns a `formatDistanceToNow` function (date-fns) bound to the
+ * current site language, for locale-aware "x ago" / "in x" output.
+ *
+ * Accepts either a `Date` or a database timestamp (`number`); numbers are
+ * converted via `databaseTimestampToDate`.
+ *
+ * Note: this intentionally does NOT honor the user's "always use browser
+ * language" preference (unlike `useDateTimeFormat`). The browser may be set to
+ * a language we have not loaded a date-fns locale for, so we use the
+ * site language to guarantee a translated result.
+ */
+export function useFormatDistanceToNow() {
+	const { i18n } = useTranslation();
+
+	return (
+		date: Date | number,
+		options?: Omit<Parameters<typeof formatDistanceToNowUtil>[1], "language">,
+	) => {
+		return formatDistanceToNowUtil(
+			typeof date === "number" ? databaseTimestampToDate(date) : date,
+			{
+				...options,
+				language: i18n.language as LanguageCode,
+			},
+		);
+	};
+}
diff --git a/app/hooks/intl/useUserIntlPreference.ts b/app/hooks/intl/useUserIntlPreference.ts
new file mode 100644
index 000000000..541dcf125
--- /dev/null
+++ b/app/hooks/intl/useUserIntlPreference.ts
@@ -0,0 +1,45 @@
+import { useTranslation } from "react-i18next";
+import type { UserPreferences } from "~/db/tables";
+import { useUser } from "~/features/auth/core/user";
+import { useHydrated } from "../useHydrated";
+
+/**
+ * Resolves the language and hour cycle to use when formatting dates and times
+ * for the current user. Prefers a browser language sharing a base tag with the
+ * active i18n language (e.g. `en-GB` over site `en`) for regional formatting.
+ * `isLoaded` is `false` until hydration; gate locale-dependent output on it to
+ * avoid hydration mismatches.
+ */
+export function useUserIntlPreference() {
+	const { i18n } = useTranslation();
+	const user = useUser();
+	const hydrated = useHydrated();
+
+	const browserLanguages = hydrated ? navigator.languages : [];
+
+	// does the user want to use their browser language even if the site is in another language?
+	const language =
+		browserLanguages.find((lang) => compareLanguages(lang, i18n.language)) ??
+		i18n.language;
+
+	return {
+		language,
+		hourCycle: resolveHourCycle(user?.preferences?.clockFormat),
+		isLoaded: hydrated,
+	};
+}
+
+function resolveHourCycle(
+	clockFormat: UserPreferences["clockFormat"],
+): "h12" | "h23" | undefined {
+	if (clockFormat === "12h") return "h12";
+	if (clockFormat === "24h") return "h23";
+	return undefined;
+}
+
+function compareLanguages(a: string, b: string) {
+	const baseA = a.split("-")[0];
+	const baseB = b.split("-")[0];
+
+	return baseA.toUpperCase() === baseB.toUpperCase();
+}
diff --git a/app/hooks/useTimeFormat.ts b/app/hooks/useTimeFormat.ts
deleted file mode 100644
index 5a111b2ae..000000000
--- a/app/hooks/useTimeFormat.ts
+++ /dev/null
@@ -1,233 +0,0 @@
-import { useTranslation } from "react-i18next";
-import type { UserPreferences } from "~/db/tables";
-import { useUser } from "~/features/auth/core/user";
-import type { LanguageCode } from "~/modules/i18n/config";
-import { formatDistanceToNow as formatDistanceToNowUtil } from "~/utils/dates";
-
-const H12_TIME_OPTIONS: Intl.DateTimeFormatOptions = {
-	hour12: true,
-	hourCycle: "h12" as const,
-};
-const H24_TIME_OPTIONS: Intl.DateTimeFormatOptions = {
-	hour12: false,
-	hourCycle: "h23" as const,
-};
-
-const DATE_FORMAT_LOCALE: Record<
-	Exclude<NonNullable<UserPreferences["dateFormat"]>, "auto">,
-	string
-> = {
-	MDY: "en-US",
-	DMY: "en-GB",
-	YMD: "sv-SE",
-};
-function getClockFormatOptions(
-	clockFormat: "auto" | "24h" | "12h" | undefined,
-	language: string,
-): Intl.DateTimeFormatOptions {
-	if (!clockFormat || clockFormat === "auto") {
-		const isEnglish = language === "en";
-		if (isEnglish) {
-			return H12_TIME_OPTIONS;
-		}
-		return H24_TIME_OPTIONS;
-	}
-
-	if (clockFormat === "24h") {
-		return H24_TIME_OPTIONS;
-	}
-
-	return H12_TIME_OPTIONS;
-}
-
-/**
- * Hook for formatting dates, times, durations, and relative times
- * according to user preferences and locale.
- * Respects the user's clock format preference (12h/24h) and current language.
- *
- * @example
- * const { formatDateTime, formatTime, formatDate, formatDuration, formatRelativeTime } = useTimeFormat();
- *
- * // Format full date and time
- * formatDateTime(new Date('2025-01-15T14:30:00'));
- * // => "1/15/2025, 2:30 PM" (12h) or "1/15/2025, 14:30" (24h)
- *
- * // Format time only
- * formatTime(new Date('2025-01-15T14:30:00'));
- * // => "2:30 PM" (12h) or "14:30" (24h)
- *
- * // Format date only
- * formatDate(new Date('2025-01-15'));
- * // => "1/15/2025"
- *
- * // Custom options
- * formatDateTime(new Date(), { dateStyle: 'full', timeStyle: 'short' });
- * // => "Wednesday, January 15, 2025 at 2:30 PM"
- *
- * // Format a duration (hours + minutes)
- * formatDuration(1, 30);
- * // => "1h 30m" (en) or locale-appropriate narrow format
- *
- * // Format relative time (picks the largest significant unit)
- * formatRelativeTime(2, 15);
- * // => "in 2 hr."
- * formatRelativeTime(0, 45);
- * // => "in 45 min."
- */
-export function useTimeFormat() {
-	const { i18n } = useTranslation();
-	const user = useUser();
-	const clockFormat = user?.preferences?.clockFormat;
-	const dateFormat = user?.preferences?.dateFormat;
-	const clockOptions = getClockFormatOptions(clockFormat, i18n.language);
-	const dateLocale = getDateLocale(dateFormat, i18n.language);
-
-	const formatDateTime = (date: Date, options?: Intl.DateTimeFormatOptions) => {
-		const adjusted = withYearFirstAdjustment(options, dateFormat);
-		const useDateLocale = isNumericMonth(adjusted);
-		const hasTimePart = Boolean(adjusted?.hour);
-
-		// When the user's date-format preference forces a non-language locale (e.g. sv-SE
-		// for YMD), applying it to the full date+time would also pull in that locale's
-		// time conventions — most visibly Swedish "fm"/"em" instead of "AM"/"PM".
-		// Format the date and time portions separately to keep them locale-correct.
-		if (hasTimePart && useDateLocale && dateLocale !== i18n.language) {
-			const { hour, minute, second, timeZoneName, ...dateOptions } = adjusted!;
-			const datePart = date.toLocaleDateString(dateLocale, dateOptions);
-			const timePart = formatTime(date, { hour, minute, second, timeZoneName });
-			return `${datePart}, ${timePart}`;
-		}
-
-		const result = date.toLocaleString(
-			useDateLocale ? dateLocale : i18n.language,
-			hasTimePart
-				? {
-						...adjusted,
-						...clockOptions,
-					}
-				: {
-						...adjusted,
-					},
-		);
-		return clockOptions.hourCycle === "h23" && hasTimePart
-			? stripLeadingZeroFromHour(result)
-			: result;
-	};
-
-	const formatTime = (
-		date: Date,
-		options: Intl.DateTimeFormatOptions = {
-			hour: "numeric",
-			minute: "2-digit",
-		},
-	) => {
-		const result = date.toLocaleTimeString(i18n.language, {
-			...options,
-			...clockOptions,
-		});
-		return clockOptions.hourCycle === "h23"
-			? stripLeadingZeroFromHour(result)
-			: result;
-	};
-
-	const formatDate = (date: Date, options?: Intl.DateTimeFormatOptions) => {
-		const adjusted = withYearFirstAdjustment(options, dateFormat);
-		return date.toLocaleDateString(
-			isNumericMonth(adjusted) ? dateLocale : i18n.language,
-			adjusted,
-		);
-	};
-
-	const formatDateRange = (
-		from: Date,
-		to: Date,
-		options?: Intl.DateTimeFormatOptions,
-	) => {
-		const adjusted = withYearFirstAdjustment(options, dateFormat);
-		const locale = isNumericMonth(adjusted) ? dateLocale : i18n.language;
-		return new Intl.DateTimeFormat(locale, adjusted)
-			.formatRange(from, to)
-			.replace(/\s*–\s*/g, " – ");
-	};
-
-	/** Same as `formatDateTime` but omits minutes when they are zero and AM/PM format is in use */
-	const formatDateTimeSmartMinutes = (
-		date: Date,
-		options?: Intl.DateTimeFormatOptions,
-	) => {
-		const showMinutes =
-			date.getMinutes() !== 0 ||
-			clockFormat === "24h" ||
-			i18n.language !== "en";
-
-		return formatDateTime(date, {
-			...options,
-			minute: showMinutes ? "numeric" : undefined,
-		});
-	};
-
-	const formatDistanceToNow = (
-		date: Parameters<typeof formatDistanceToNowUtil>[0],
-		options?: Omit<Parameters<typeof formatDistanceToNowUtil>[1], "language">,
-	) => {
-		return formatDistanceToNowUtil(date, {
-			...options,
-			language: i18n.language as LanguageCode,
-		});
-	};
-
-	const formatDuration = (hours: number, minutes: number) => {
-		return new Intl.DurationFormat(i18n.language, { style: "narrow" }).format({
-			hours,
-			minutes,
-		});
-	};
-
-	const formatRelativeTime = (hours: number, minutes: number) => {
-		const rtf = new Intl.RelativeTimeFormat(i18n.language, { style: "short" });
-
-		if (hours > 0) {
-			return rtf.format(hours, "hour");
-		}
-
-		return rtf.format(minutes, "minute");
-	};
-
-	return {
-		formatDateTime,
-		formatTime,
-		formatDate,
-		formatDateRange,
-		formatDateTimeSmartMinutes,
-		formatDistanceToNow,
-		formatDuration,
-		formatRelativeTime,
-	};
-}
-
-// Example: "09:00" -> "9:00"
-function stripLeadingZeroFromHour(timeString: string) {
-	return timeString.replace(/\b0(\d:\d{2})/g, "$1");
-}
-
-function getDateLocale(
-	dateFormat: UserPreferences["dateFormat"] | undefined,
-	language: string,
-) {
-	if (!dateFormat || dateFormat === "auto") return language;
-	return DATE_FORMAT_LOCALE[dateFormat];
-}
-
-function isNumericMonth(options: Intl.DateTimeFormatOptions | undefined) {
-	if (!options?.month) return false;
-	return options.month === "numeric" || options.month === "2-digit";
-}
-
-function withYearFirstAdjustment(
-	options: Intl.DateTimeFormatOptions | undefined,
-	dateFormat: UserPreferences["dateFormat"] | undefined,
-): Intl.DateTimeFormatOptions | undefined {
-	if (options?.year !== "2-digit") return options;
-	if (dateFormat !== "YMD") return options;
-	return { ...options, year: "numeric" };
-}
diff --git a/app/root.tsx b/app/root.tsx
index 5014323a8..51228931f 100644
--- a/app/root.tsx
+++ b/app/root.tsx
@@ -52,6 +52,7 @@ import {
 	useTheme,
 } from "./features/theme/core/provider";
 import { getThemeSession } from "./features/theme/core/theme-session.server";
+import { useUserIntlPreference } from "./hooks/intl/useUserIntlPreference";
 import { useHydrated } from "./hooks/useHydrated";
 import { DEFAULT_LANGUAGE } from "./modules/i18n/config";
 import { i18nCookie, i18next } from "./modules/i18n/i18next.server";
@@ -153,6 +154,7 @@ function Document({
 }) {
 	const { htmlThemeClass } = useTheme();
 	const { i18n } = useTranslation();
+	const { language } = useUserIntlPreference();
 	const navigate = useNavigate();
 	const locale = data?.locale ?? DEFAULT_LANGUAGE;
 	const customThemeStyle = useCustomThemeVars();
@@ -217,7 +219,7 @@ function Document({
 				{IS_E2E_TEST_RUN && <HydrationTestIndicator />}
 				<React.StrictMode>
 					<RouterProvider navigate={navigate} useHref={useHref}>
-						<I18nProvider locale={i18n.language}>
+						<I18nProvider locale={language}>
 							<SendouToastRegion />
 							<MyFuse data={data} />
 							<ChatProvider user={data?.user}>
diff --git a/app/styles/utils.css b/app/styles/utils.css
index ac7113a12..dbb683694 100644
--- a/app/styles/utils.css
+++ b/app/styles/utils.css
@@ -380,10 +380,18 @@
 		display: none;
 	}
 
+	.block {
+		display: block;
+	}
+
 	.invisible {
 		visibility: hidden;
 	}
 
+	.reserve-one-lb {
+		min-height: 1lh;
+	}
+
 	.whitespace-pre-wrap {
 		white-space: pre-wrap;
 	}
diff --git a/e2e/calendar.spec.ts b/e2e/calendar.spec.ts
index abd0af2a2..acac94edd 100644
--- a/e2e/calendar.spec.ts
+++ b/e2e/calendar.spec.ts
@@ -1,3 +1,4 @@
+import type { Page } from "@playwright/test";
 import { NZAP_TEST_ID } from "~/db/seed/constants";
 import { calendarPage } from "~/utils/urls";
 import {
@@ -102,4 +103,43 @@ test.describe("Calendar", () => {
 		await page.getByTestId("calendar-navigate-button").nth(1).click();
 		await expect(page.getByTestId("today-header")).toBeVisible();
 	});
+
+	test("renders clock header times in the browser locale", async ({
+		browser,
+		workerBaseURL,
+	}) => {
+		const openWith = async (locale: string) => {
+			const context = await browser.newContext({
+				locale,
+				baseURL: workerBaseURL,
+			});
+			const page = await context.newPage();
+			return { context, page };
+		};
+
+		const ca = await openWith("en-CA");
+		const gb = await openWith("en-GB");
+
+		try {
+			await seed(ca.page);
+
+			await navigate({ page: ca.page, url: calendarPage() });
+			await navigate({ page: gb.page, url: calendarPage() });
+
+			const firstClockText = (page: Page) =>
+				page
+					.locator("[class*='clockHeader'] [class*='reserve-one-lb']")
+					.first();
+
+			const caTime = await firstClockText(ca.page).textContent();
+			const gbTime = await firstClockText(gb.page).textContent();
+
+			expect(caTime).toMatch(/AM|PM|a\.m\.|p\.m\./i);
+			expect(gbTime).not.toMatch(/AM|PM|a\.m\.|p\.m\./i);
+			expect(caTime).not.toBe(gbTime);
+		} finally {
+			await ca.context.close();
+			await gb.context.close();
+		}
+	});
 });
diff --git a/e2e/settings.spec.ts b/e2e/settings.spec.ts
index da5bb1746..c22f6d5c7 100644
--- a/e2e/settings.spec.ts
+++ b/e2e/settings.spec.ts
@@ -1,11 +1,9 @@
 import type { Page } from "@playwright/test";
 import {
-	clockFormatSchema,
 	disableBuildAbilitySortingSchema,
 	spoilerFreeModeSchema,
 } from "~/features/settings/settings-schemas";
 import {
-	CALENDAR_PAGE,
 	SETTINGS_PAGE,
 	tournamentBracketsPage,
 	tournamentResultsPage,
@@ -57,40 +55,6 @@ test.describe("Settings", () => {
 
 		expect(newContents).not.toBe(oldContents);
 	});
-
-	test("updates clock format preference", async ({ page }) => {
-		await seed(page);
-		await impersonate(page);
-
-		await navigate({
-			page,
-			url: CALENDAR_PAGE,
-		});
-
-		const clockHeader = page.locator("[class*='clockHeader']").first();
-		const initialTime = await clockHeader.locator("span").first().textContent();
-
-		expect(initialTime).toMatch(/AM|PM/);
-
-		await navigate({
-			page,
-			url: SETTINGS_PAGE,
-		});
-
-		const form = createFormHelpers(page, clockFormatSchema);
-		await waitForPOSTResponse(page, () => form.select("newValue", "24h"));
-
-		await navigate({
-			page,
-			url: CALENDAR_PAGE,
-		});
-
-		const newTime = await clockHeader.locator("span").first().textContent();
-
-		expect(newTime).not.toMatch(/AM|PM/);
-		expect(newTime).not.toBe(initialTime);
-		expect(newTime).toContain(":");
-	});
 });
 
 const enableSpoilerFreeMode = async (page: Page) => {
diff --git a/locales/da/forms.json b/locales/da/forms.json
index 28150d066..253962d86 100644
--- a/locales/da/forms.json
+++ b/locales/da/forms.json
@@ -5,7 +5,6 @@
 	"labels.tag": "",
 	"labels.teamBsky": "",
 	"labels.clockFormat": "",
-	"labels.dateFormat": "",
 	"labels.disableBuildAbilitySorting": "",
 	"labels.disallowScrimPickupsFromUntrusted": "",
 	"labels.noScreen": "",
@@ -17,13 +16,10 @@
 	"bottomTexts.disallowScrimPickupsFromUntrusted": "",
 	"bottomTexts.noScreen": "",
 	"bottomTexts.spoilerFreeMode": "",
+	"bottomTexts.languageClockTimeNote": "",
 	"options.clockFormat.auto": "",
 	"options.clockFormat.24h": "",
 	"options.clockFormat.12h": "",
-	"options.dateFormat.auto": "",
-	"options.dateFormat.MDY": "",
-	"options.dateFormat.DMY": "",
-	"options.dateFormat.YMD": "",
 	"errors.required": "",
 	"errors.minLength": "",
 	"errors.maxLength": "",
diff --git a/locales/de/forms.json b/locales/de/forms.json
index 9576f3f2f..b462c6654 100644
--- a/locales/de/forms.json
+++ b/locales/de/forms.json
@@ -5,7 +5,6 @@
 	"labels.tag": "",
 	"labels.teamBsky": "",
 	"labels.clockFormat": "",
-	"labels.dateFormat": "",
 	"labels.disableBuildAbilitySorting": "",
 	"labels.disallowScrimPickupsFromUntrusted": "",
 	"labels.noScreen": "",
@@ -17,13 +16,10 @@
 	"bottomTexts.disallowScrimPickupsFromUntrusted": "",
 	"bottomTexts.noScreen": "",
 	"bottomTexts.spoilerFreeMode": "",
+	"bottomTexts.languageClockTimeNote": "",
 	"options.clockFormat.auto": "",
 	"options.clockFormat.24h": "",
 	"options.clockFormat.12h": "",
-	"options.dateFormat.auto": "",
-	"options.dateFormat.MDY": "",
-	"options.dateFormat.DMY": "",
-	"options.dateFormat.YMD": "",
 	"errors.required": "",
 	"errors.minLength": "",
 	"errors.maxLength": "",
diff --git a/locales/en/forms.json b/locales/en/forms.json
index 481edee16..23f12f4a3 100644
--- a/locales/en/forms.json
+++ b/locales/en/forms.json
@@ -5,7 +5,6 @@
 	"labels.tag": "Tag",
 	"labels.teamBsky": "Team Bluesky",
 	"labels.clockFormat": "Clock format",
-	"labels.dateFormat": "Date format",
 	"labels.disableBuildAbilitySorting": "Builds: Disable automatic ability sorting",
 	"labels.disallowScrimPickupsFromUntrusted": "Disallow scrim pickups from non-friends",
 	"labels.noScreen": "[Accessibility] Avoid Splattercolor Screen",
@@ -17,13 +16,10 @@
 	"bottomTexts.disallowScrimPickupsFromUntrusted": "Only applies if you are in the lobby as group leader. Other group leaders can still pick you up.",
 	"bottomTexts.noScreen": "Affects tournaments, scrims and SendouQ",
 	"bottomTexts.spoilerFreeMode": "Hides tournament results from the last week",
+	"bottomTexts.languageClockTimeNote": "Clock and time formats use your browser language setting",
 	"options.clockFormat.auto": "Automatic",
 	"options.clockFormat.24h": "24-hour",
 	"options.clockFormat.12h": "12-hour",
-	"options.dateFormat.auto": "Automatic",
-	"options.dateFormat.MDY": "MM/DD/YYYY",
-	"options.dateFormat.DMY": "DD/MM/YYYY",
-	"options.dateFormat.YMD": "YYYY-MM-DD",
 	"errors.required": "This field is required",
 	"errors.minLength": "Must be at least {{min}} characters",
 	"errors.maxLength": "Must be at most {{max}} characters",
diff --git a/locales/es-ES/forms.json b/locales/es-ES/forms.json
index a6adbc92d..8c62f50d5 100644
--- a/locales/es-ES/forms.json
+++ b/locales/es-ES/forms.json
@@ -5,7 +5,6 @@
 	"labels.tag": "Etiqueta",
 	"labels.teamBsky": "Bluesky del equipo",
 	"labels.clockFormat": "Formato de hora",
-	"labels.dateFormat": "",
 	"labels.disableBuildAbilitySorting": "Builds: Desactivar orden automático de potenciadores",
 	"labels.disallowScrimPickupsFromUntrusted": "No permitir invitaciones de usuarios no verificados",
 	"labels.noScreen": "[Accesibilidad] Evitar Pantintalla",
@@ -17,13 +16,10 @@
 	"bottomTexts.disallowScrimPickupsFromUntrusted": "Solo aplica si estás en el lobby como líder de grupo. Otros líderes de grupo aún pueden añadirte.",
 	"bottomTexts.noScreen": "Afecta a torneos, scrims y SendouQ.",
 	"bottomTexts.spoilerFreeMode": "",
+	"bottomTexts.languageClockTimeNote": "",
 	"options.clockFormat.auto": "Automático",
 	"options.clockFormat.24h": "24 horas",
 	"options.clockFormat.12h": "12 horas",
-	"options.dateFormat.auto": "",
-	"options.dateFormat.MDY": "",
-	"options.dateFormat.DMY": "",
-	"options.dateFormat.YMD": "",
 	"errors.required": "Este campo es obligatorio",
 	"errors.minLength": "Debe tener al menos {{min}} caracteres",
 	"errors.maxLength": "Debe tener como máximo {{max}} caracteres",
diff --git a/locales/es-US/forms.json b/locales/es-US/forms.json
index 6b8f24867..1892162d2 100644
--- a/locales/es-US/forms.json
+++ b/locales/es-US/forms.json
@@ -5,7 +5,6 @@
 	"labels.tag": "",
 	"labels.teamBsky": "",
 	"labels.clockFormat": "",
-	"labels.dateFormat": "",
 	"labels.disableBuildAbilitySorting": "",
 	"labels.disallowScrimPickupsFromUntrusted": "",
 	"labels.noScreen": "",
@@ -17,13 +16,10 @@
 	"bottomTexts.disallowScrimPickupsFromUntrusted": "",
 	"bottomTexts.noScreen": "",
 	"bottomTexts.spoilerFreeMode": "",
+	"bottomTexts.languageClockTimeNote": "",
 	"options.clockFormat.auto": "",
 	"options.clockFormat.24h": "",
 	"options.clockFormat.12h": "",
-	"options.dateFormat.auto": "",
-	"options.dateFormat.MDY": "",
-	"options.dateFormat.DMY": "",
-	"options.dateFormat.YMD": "",
 	"errors.required": "",
 	"errors.minLength": "",
 	"errors.maxLength": "",
diff --git a/locales/fr-CA/forms.json b/locales/fr-CA/forms.json
index e1f3f760c..2a9745d45 100644
--- a/locales/fr-CA/forms.json
+++ b/locales/fr-CA/forms.json
@@ -5,7 +5,6 @@
 	"labels.tag": "",
 	"labels.teamBsky": "",
 	"labels.clockFormat": "",
-	"labels.dateFormat": "",
 	"labels.disableBuildAbilitySorting": "",
 	"labels.disallowScrimPickupsFromUntrusted": "",
 	"labels.noScreen": "",
@@ -17,13 +16,10 @@
 	"bottomTexts.disallowScrimPickupsFromUntrusted": "",
 	"bottomTexts.noScreen": "",
 	"bottomTexts.spoilerFreeMode": "",
+	"bottomTexts.languageClockTimeNote": "",
 	"options.clockFormat.auto": "",
 	"options.clockFormat.24h": "",
 	"options.clockFormat.12h": "",
-	"options.dateFormat.auto": "",
-	"options.dateFormat.MDY": "",
-	"options.dateFormat.DMY": "",
-	"options.dateFormat.YMD": "",
 	"errors.required": "",
 	"errors.minLength": "",
 	"errors.maxLength": "",
diff --git a/locales/fr-EU/forms.json b/locales/fr-EU/forms.json
index 827686623..cf33b2515 100644
--- a/locales/fr-EU/forms.json
+++ b/locales/fr-EU/forms.json
@@ -5,7 +5,6 @@
 	"labels.tag": "",
 	"labels.teamBsky": "Team Bluesky",
 	"labels.clockFormat": "",
-	"labels.dateFormat": "",
 	"labels.disableBuildAbilitySorting": "",
 	"labels.disallowScrimPickupsFromUntrusted": "",
 	"labels.noScreen": "",
@@ -17,13 +16,10 @@
 	"bottomTexts.disallowScrimPickupsFromUntrusted": "",
 	"bottomTexts.noScreen": "",
 	"bottomTexts.spoilerFreeMode": "",
+	"bottomTexts.languageClockTimeNote": "",
 	"options.clockFormat.auto": "",
 	"options.clockFormat.24h": "",
 	"options.clockFormat.12h": "",
-	"options.dateFormat.auto": "",
-	"options.dateFormat.MDY": "",
-	"options.dateFormat.DMY": "",
-	"options.dateFormat.YMD": "",
 	"errors.required": "",
 	"errors.minLength": "",
 	"errors.maxLength": "",
diff --git a/locales/he/forms.json b/locales/he/forms.json
index e66526d44..7ebccaeb3 100644
--- a/locales/he/forms.json
+++ b/locales/he/forms.json
@@ -5,7 +5,6 @@
 	"labels.tag": "",
 	"labels.teamBsky": "",
 	"labels.clockFormat": "",
-	"labels.dateFormat": "",
 	"labels.disableBuildAbilitySorting": "",
 	"labels.disallowScrimPickupsFromUntrusted": "",
 	"labels.noScreen": "",
@@ -17,13 +16,10 @@
 	"bottomTexts.disallowScrimPickupsFromUntrusted": "",
 	"bottomTexts.noScreen": "",
 	"bottomTexts.spoilerFreeMode": "",
+	"bottomTexts.languageClockTimeNote": "",
 	"options.clockFormat.auto": "",
 	"options.clockFormat.24h": "",
 	"options.clockFormat.12h": "",
-	"options.dateFormat.auto": "",
-	"options.dateFormat.MDY": "",
-	"options.dateFormat.DMY": "",
-	"options.dateFormat.YMD": "",
 	"errors.required": "",
 	"errors.minLength": "",
 	"errors.maxLength": "",
diff --git a/locales/it/forms.json b/locales/it/forms.json
index 279316f92..4639f98d8 100644
--- a/locales/it/forms.json
+++ b/locales/it/forms.json
@@ -5,7 +5,6 @@
 	"labels.tag": "",
 	"labels.teamBsky": "Bluesky del team",
 	"labels.clockFormat": "",
-	"labels.dateFormat": "",
 	"labels.disableBuildAbilitySorting": "",
 	"labels.disallowScrimPickupsFromUntrusted": "",
 	"labels.noScreen": "",
@@ -17,13 +16,10 @@
 	"bottomTexts.disallowScrimPickupsFromUntrusted": "",
 	"bottomTexts.noScreen": "",
 	"bottomTexts.spoilerFreeMode": "",
+	"bottomTexts.languageClockTimeNote": "",
 	"options.clockFormat.auto": "",
 	"options.clockFormat.24h": "",
 	"options.clockFormat.12h": "",
-	"options.dateFormat.auto": "",
-	"options.dateFormat.MDY": "",
-	"options.dateFormat.DMY": "",
-	"options.dateFormat.YMD": "",
 	"errors.required": "",
 	"errors.minLength": "",
 	"errors.maxLength": "",
diff --git a/locales/ja/forms.json b/locales/ja/forms.json
index f9b9ff1cb..9d75f36a2 100644
--- a/locales/ja/forms.json
+++ b/locales/ja/forms.json
@@ -5,7 +5,6 @@
 	"labels.tag": "",
 	"labels.teamBsky": "チームの Bluesky",
 	"labels.clockFormat": "",
-	"labels.dateFormat": "",
 	"labels.disableBuildAbilitySorting": "",
 	"labels.disallowScrimPickupsFromUntrusted": "",
 	"labels.noScreen": "",
@@ -17,13 +16,10 @@
 	"bottomTexts.disallowScrimPickupsFromUntrusted": "",
 	"bottomTexts.noScreen": "",
 	"bottomTexts.spoilerFreeMode": "",
+	"bottomTexts.languageClockTimeNote": "",
 	"options.clockFormat.auto": "",
 	"options.clockFormat.24h": "",
 	"options.clockFormat.12h": "",
-	"options.dateFormat.auto": "",
-	"options.dateFormat.MDY": "",
-	"options.dateFormat.DMY": "",
-	"options.dateFormat.YMD": "",
 	"errors.required": "",
 	"errors.minLength": "",
 	"errors.maxLength": "",
diff --git a/locales/ko/forms.json b/locales/ko/forms.json
index 5a70e3771..ea005f94c 100644
--- a/locales/ko/forms.json
+++ b/locales/ko/forms.json
@@ -5,7 +5,6 @@
 	"labels.tag": "",
 	"labels.teamBsky": "",
 	"labels.clockFormat": "",
-	"labels.dateFormat": "",
 	"labels.disableBuildAbilitySorting": "",
 	"labels.disallowScrimPickupsFromUntrusted": "",
 	"labels.noScreen": "",
@@ -17,13 +16,10 @@
 	"bottomTexts.disallowScrimPickupsFromUntrusted": "",
 	"bottomTexts.noScreen": "",
 	"bottomTexts.spoilerFreeMode": "",
+	"bottomTexts.languageClockTimeNote": "",
 	"options.clockFormat.auto": "",
 	"options.clockFormat.24h": "",
 	"options.clockFormat.12h": "",
-	"options.dateFormat.auto": "",
-	"options.dateFormat.MDY": "",
-	"options.dateFormat.DMY": "",
-	"options.dateFormat.YMD": "",
 	"errors.required": "",
 	"errors.minLength": "",
 	"errors.maxLength": "",
diff --git a/locales/nl/forms.json b/locales/nl/forms.json
index 37239bb98..12c6231a5 100644
--- a/locales/nl/forms.json
+++ b/locales/nl/forms.json
@@ -5,7 +5,6 @@
 	"labels.tag": "",
 	"labels.teamBsky": "",
 	"labels.clockFormat": "",
-	"labels.dateFormat": "",
 	"labels.disableBuildAbilitySorting": "",
 	"labels.disallowScrimPickupsFromUntrusted": "",
 	"labels.noScreen": "",
@@ -17,13 +16,10 @@
 	"bottomTexts.disallowScrimPickupsFromUntrusted": "",
 	"bottomTexts.noScreen": "",
 	"bottomTexts.spoilerFreeMode": "",
+	"bottomTexts.languageClockTimeNote": "",
 	"options.clockFormat.auto": "",
 	"options.clockFormat.24h": "",
 	"options.clockFormat.12h": "",
-	"options.dateFormat.auto": "",
-	"options.dateFormat.MDY": "",
-	"options.dateFormat.DMY": "",
-	"options.dateFormat.YMD": "",
 	"errors.required": "",
 	"errors.minLength": "",
 	"errors.maxLength": "",
diff --git a/locales/pl/forms.json b/locales/pl/forms.json
index cc60da373..5888d9bc8 100644
--- a/locales/pl/forms.json
+++ b/locales/pl/forms.json
@@ -5,7 +5,6 @@
 	"labels.tag": "",
 	"labels.teamBsky": "",
 	"labels.clockFormat": "",
-	"labels.dateFormat": "",
 	"labels.disableBuildAbilitySorting": "",
 	"labels.disallowScrimPickupsFromUntrusted": "",
 	"labels.noScreen": "",
@@ -17,13 +16,10 @@
 	"bottomTexts.disallowScrimPickupsFromUntrusted": "",
 	"bottomTexts.noScreen": "",
 	"bottomTexts.spoilerFreeMode": "",
+	"bottomTexts.languageClockTimeNote": "",
 	"options.clockFormat.auto": "",
 	"options.clockFormat.24h": "",
 	"options.clockFormat.12h": "",
-	"options.dateFormat.auto": "",
-	"options.dateFormat.MDY": "",
-	"options.dateFormat.DMY": "",
-	"options.dateFormat.YMD": "",
 	"errors.required": "",
 	"errors.minLength": "",
 	"errors.maxLength": "",
diff --git a/locales/pt-BR/forms.json b/locales/pt-BR/forms.json
index aefb1b092..40b798750 100644
--- a/locales/pt-BR/forms.json
+++ b/locales/pt-BR/forms.json
@@ -5,7 +5,6 @@
 	"labels.tag": "",
 	"labels.teamBsky": "",
 	"labels.clockFormat": "",
-	"labels.dateFormat": "",
 	"labels.disableBuildAbilitySorting": "",
 	"labels.disallowScrimPickupsFromUntrusted": "",
 	"labels.noScreen": "",
@@ -17,13 +16,10 @@
 	"bottomTexts.disallowScrimPickupsFromUntrusted": "",
 	"bottomTexts.noScreen": "",
 	"bottomTexts.spoilerFreeMode": "",
+	"bottomTexts.languageClockTimeNote": "",
 	"options.clockFormat.auto": "",
 	"options.clockFormat.24h": "",
 	"options.clockFormat.12h": "",
-	"options.dateFormat.auto": "",
-	"options.dateFormat.MDY": "",
-	"options.dateFormat.DMY": "",
-	"options.dateFormat.YMD": "",
 	"errors.required": "",
 	"errors.minLength": "",
 	"errors.maxLength": "",
diff --git a/locales/ru/forms.json b/locales/ru/forms.json
index bb93cffa3..25a8427bb 100644
--- a/locales/ru/forms.json
+++ b/locales/ru/forms.json
@@ -5,7 +5,6 @@
 	"labels.tag": "",
 	"labels.teamBsky": "Bluesky команды",
 	"labels.clockFormat": "",
-	"labels.dateFormat": "",
 	"labels.disableBuildAbilitySorting": "",
 	"labels.disallowScrimPickupsFromUntrusted": "",
 	"labels.noScreen": "",
@@ -17,13 +16,10 @@
 	"bottomTexts.disallowScrimPickupsFromUntrusted": "",
 	"bottomTexts.noScreen": "",
 	"bottomTexts.spoilerFreeMode": "",
+	"bottomTexts.languageClockTimeNote": "",
 	"options.clockFormat.auto": "",
 	"options.clockFormat.24h": "",
 	"options.clockFormat.12h": "",
-	"options.dateFormat.auto": "",
-	"options.dateFormat.MDY": "",
-	"options.dateFormat.DMY": "",
-	"options.dateFormat.YMD": "",
 	"errors.required": "",
 	"errors.minLength": "",
 	"errors.maxLength": "",
diff --git a/locales/zh/forms.json b/locales/zh/forms.json
index dea5f6563..26ac4d04f 100644
--- a/locales/zh/forms.json
+++ b/locales/zh/forms.json
@@ -5,7 +5,6 @@
 	"labels.tag": "",
 	"labels.teamBsky": "",
 	"labels.clockFormat": "",
-	"labels.dateFormat": "",
 	"labels.disableBuildAbilitySorting": "",
 	"labels.disallowScrimPickupsFromUntrusted": "",
 	"labels.noScreen": "",
@@ -17,13 +16,10 @@
 	"bottomTexts.disallowScrimPickupsFromUntrusted": "",
 	"bottomTexts.noScreen": "",
 	"bottomTexts.spoilerFreeMode": "",
+	"bottomTexts.languageClockTimeNote": "",
 	"options.clockFormat.auto": "",
 	"options.clockFormat.24h": "",
 	"options.clockFormat.12h": "",
-	"options.dateFormat.auto": "",
-	"options.dateFormat.MDY": "",
-	"options.dateFormat.DMY": "",
-	"options.dateFormat.YMD": "",
 	"errors.required": "",
 	"errors.minLength": "",
 	"errors.maxLength": "",