diff --git a/plugins/calendar/calendar.php b/plugins/calendar/calendar.php
--- a/plugins/calendar/calendar.php
+++ b/plugins/calendar/calendar.php
@@ -2269,7 +2269,7 @@
       }
       
       $slots[$s] = $status;
-      $times[$s] = intval($dt->format($strformat));
+      $times[$s] = $dt->format($strformat);
       $t = $t_end;
     }