diff --git a/frappe/public/js/frappe/views/calendar/calendar.js b/frappe/public/js/frappe/views/calendar/calendar.js
index cef8b8a9c9..67296b1a61 100644
--- a/frappe/public/js/frappe/views/calendar/calendar.js
+++ b/frappe/public/js/frappe/views/calendar/calendar.js
@@ -255,6 +255,11 @@ frappe.views.Calendar = class Calendar {
 			plugins: frappe.FullCalendar.Plugins,
 			initialView: defaults.initialView || "dayGridMonth",
 			locale: frappe.boot.lang,
+			eventTimeFormat: {
+				hour: "numeric",
+				minute: "2-digit",
+				hour12: true,
+			},
 			firstDay: 1,
 			headerToolbar: {
 				left: "prev,title,next",