add support for opening hours that automatically change over time

web/src/lib/date.ts

@@ -1,4 +1,4 @@
-import { isToday, isAfter, parse } from "date-fns";
+import { isToday, isAfter, parse, compareAsc } from "date-fns";
 import { nb } from "date-fns/locale";
 import { toZonedTime, format } from "date-fns-tz";
 
@@ -47,3 +47,7 @@ export function isTodayOrFuture(
   const zonedDate = toLocalTime(date);
   return isToday(zonedDate) || isAfter(zonedDate, zonedNow);
 }
+
+export function compareDates(a: Date | string, b: Date | string) {
+  return compareAsc(new Date(a), new Date(b));
+}