diff --git a/addons/web/static/src/js/view_form.js b/addons/web/static/src/js/view_form.js
index cc9f4520891..da1eaf90501 100644
--- a/addons/web/static/src/js/view_form.js
+++ b/addons/web/static/src/js/view_form.js
@@ -2398,6 +2398,7 @@ instance.web.DateTimeWidget = instance.web.Widget.extend({
             showButtonPanel: true,
             firstDay: Date.CultureInfo.firstDayOfWeek,
             controlType:  value,
+            timeFormat: 'hh:mm tt'
         };
     },
     start: function() {