1 files changed, 3 insertions, 2 deletions
diff --git a/addons/web/static/src/js/views/calendar/calendar_model.js b/addons/web/static/src/js/views/calendar/calendar_model.js
index 18a13d0157e..82832bc043c 100644
--- a/addons/web/static/src/js/views/calendar/calendar_model.js
+++ b/addons/web/static/src/js/views/calendar/calendar_model.js
@@ -65,10 +65,11 @@ return AbstractModel.extend({
         }
 
         var isDateEvent = this.fields[this.mapping.date_start].type === 'date';
+        var keepRecordTime = !this.mapping.all_day || (this.data.scale === 'month' && event.record && !event.record[this.mapping.all_day]);
         // An "allDay" event without the "all_day" option is not considered
         // as a 24h day. It's just a part of the day (by default: 7h-19h).
         if (event.allDay) {
-            if (!this.mapping.all_day && !isDateEvent) {
+            if (keepRecordTime && !isDateEvent) {
                 if (event.r_start) {
                     start.hours(event.r_start.hours())
                          .minutes(event.r_start.minutes())
@@ -94,7 +95,7 @@ return AbstractModel.extend({
         if (this.mapping.all_day) {
             if (event.record) {
                 data[this.mapping.all_day] =
-                    (this.scale !== 'month' && event.allDay) ||
+                    (this.data.scale !== 'month' && event.allDay) ||
                     event.record[this.mapping.all_day] &&
                     end.diff(start) < 10 ||
                     false;