diff --git a/templates/index.html b/templates/index.html
index 0fdaa17..e9497d4 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -36,6 +36,11 @@
             center: 'title',
             right: 'dayGridMonth,timeGridWeek,timeGridDay,listWeek'
           },
+          eventTimeFormat: {
+            hour: '2-digit',
+            minute: '2-digit',
+            hour12: false,
+          },
           events: {{ fullcalendar_events | tojson(indent=2) }}
         })
         calendar.render()