first commit

common/resources/client/utils/date/start-of-day.ts

@@ -0,0 +1,5 @@
+import {ZonedDateTime} from '@internationalized/date';
+
+export function startOfDay(date: ZonedDateTime): ZonedDateTime {
+  return date.set({hour: 0, minute: 0, second: 0, millisecond: 0});
+}