diff --git a/src/views/Tools/dialogs/GroupCalendarDialog.vue b/src/views/Tools/dialogs/GroupCalendarDialog.vue
index 38eb265d..aa209024 100644
--- a/src/views/Tools/dialogs/GroupCalendarDialog.vue
+++ b/src/views/Tools/dialogs/GroupCalendarDialog.vue
@@ -49,7 +49,7 @@
                                         :class="{
                                             'has-events': filteredCalendar[formatDateKey(date)]?.length
                                         }">
-                                        {{ dayjs(date).local().format('D') }}
+                                        {{ dayjs(date).utc().format('D') }}
                                         <div
                                             v-if="filteredCalendar[formatDateKey(date)]?.length"
                                             class="calendar-event-badge"