first commit

common/resources/client/i18n/get-user-timezone.ts

@@ -0,0 +1,13 @@
+import {getBootstrapData} from '../core/bootstrap-data/use-backend-bootstrap-data';
+import {getLocalTimeZone} from '@internationalized/date';
+
+export function getUserTimezone(): string {
+  const defaultTimezone = getBootstrapData()?.settings.dates.default_timezone;
+  const preferredTimezone =
+    getBootstrapData()?.user?.timezone || defaultTimezone || 'auto';
+
+  if (!preferredTimezone || preferredTimezone === 'auto') {
+    return getLocalTimeZone();
+  }
+  return preferredTimezone;
+}