diff --git a/include/config/overworld.h b/include/config/overworld.h
index f6a169799..086c7ac86 100644
--- a/include/config/overworld.h
+++ b/include/config/overworld.h
@@ -76,7 +76,8 @@
 #define OW_TIMES_OF_DAY                 GEN_5 // Different generations have the times of day change at different times.
 #define OW_USE_FAKE_RTC                 FALSE      // When TRUE, seconds on the in-game clock will only advance once every 60 playTimeVBlanks (every 60 frames).
 #define OW_ALTERED_TIME_RATIO           GEN_LATEST // In GEN_8_PLA, the time in game moves forward 60 seconds for every second in the RTC. In GEN_9, it is 20 seconds. This has no effect if OW_USE_FAKE_RTC is FALSE.
-#define OW_SEASONS                      TRUE
+#define OW_SEASONS                      TRUE // Enables seasonal tilesets
+#define OW_DAY_AND_NIGHT                TRUE // Enables day and night system 
 
 // Overworld flags
 // To use the following features in scripting, replace the 0s with the flag ID you're assigning it to.
diff --git a/src/overworld.c b/src/overworld.c
index abff53b52..fd48621a7 100644
--- a/src/overworld.c
+++ b/src/overworld.c
@@ -1545,6 +1545,8 @@ u8 UpdateTimeOfDay(void)
 // Whether a map type is naturally lit/outside
 bool8 MapHasNaturalLight(u8 mapType)
 {
+    if (!OW_DAY_AND_NIGHT)
+        return FALSE;
     return (mapType == MAP_TYPE_TOWN
          || mapType == MAP_TYPE_CITY
          || mapType == MAP_TYPE_ROUTE