diff --git a/app/Services/EventCalendarService.php b/app/Services/EventCalendarService.php
index bedde52..1bd0d8b 100644
--- a/app/Services/EventCalendarService.php
+++ b/app/Services/EventCalendarService.php
@@ -125,6 +125,8 @@ class EventCalendarService extends BaseService
             $oldValues = $model->toArray();
 
             $end_time = get_datetime('datetime', strtotime($data['end_time']));
+            $this->validateTime($data['pattern_id'], $end_time, $id);
+
             $update = [
                 'pattern_id'    => $data['pattern_id'],
                 'end_time'      => $end_time,