Fix localization and timezone issue in widget

src/pretix/base/models/event.py

@@ -323,6 +323,10 @@ class Event(EventMixin, LoggedModel):
         else:
             return get_connection(fail_silently=False)
 
+    @property
+    def timezone(self):
+        return pytz.timezone(self.settings.timezone)
+
     @property
     def payment_term_last(self):
         """