sendou.ink/app/components/RelativeTime.tsx

import type * as React from "react";
import { useIsMounted } from "~/hooks/useIsMounted";

export function RelativeTime({
  children,
  timestamp,
}: {
  children: React.ReactNode;
  timestamp: number;
}) {
  const isMounted = useIsMounted();

  return (
    <abbr
      title={
        isMounted
          ? new Date(timestamp).toLocaleString("en-US", {
              hour: "numeric",
              minute: "numeric",
              day: "numeric",
              month: "long",
              timeZoneName: "short",
            })
          : undefined
      }
    >
      {children}
    </abbr>
  );
}