diff --git a/src/rtc.c b/src/rtc.c
index 64e6734552..a90c9aa89b 100644
--- a/src/rtc.c
+++ b/src/rtc.c
@@ -296,7 +296,7 @@ void RtcCalcLocalTime(void)
 bool8 IsBetweenHours(s32 hours, s32 begin, s32 end)
 {
     if (end < begin)
-        return hours > begin || hours < end;
+        return hours >= begin || hours < end;
     else
         return hours >= begin && hours < end;
 }