diff --git a/addons/web/static/src/legacy/js/views/calendar/calendar_renderer.js b/addons/web/static/src/legacy/js/views/calendar/calendar_renderer.js
index 2bc53e005b0..d733ae00b82 100644
--- a/addons/web/static/src/legacy/js/views/calendar/calendar_renderer.js
+++ b/addons/web/static/src/legacy/js/views/calendar/calendar_renderer.js
@@ -905,7 +905,7 @@ return AbstractRenderer.extend({
             const start = moment(event.extendedProps.r_start);
             const end = moment(event.extendedProps.r_end);
             const duration = moment.duration(end.diff(start)).asDays();
-            event.extendedProps.record.start_hour = event.extendedProps.record.allday === false && duration < 1 ? start.format("HH:mm") : "";
+            event.extendedProps.record.start_hour = !event.extendedProps.record.allday && duration < 1 ? start.format("HH:mm") : "";
             const key = this._getFormattedDate(start, end, false, event.extendedProps.record.allday);
             if (!(key in groupedEvents)) {
                 groupedEvents[key] = [];
diff --git a/addons/web/static/src/legacy/xml/web_calendar.xml b/addons/web/static/src/legacy/xml/web_calendar.xml
index 04dc186413e..789fce74c0d 100644
--- a/addons/web/static/src/legacy/xml/web_calendar.xml
+++ b/addons/web/static/src/legacy/xml/web_calendar.xml
@@ -137,7 +137,7 @@
                         t-attf-class="o_cw_popover_link o_calendar_color_#{typeof color === 'number' ? _.str.sprintf('%s', color) : '1'} o_attendee_status_#{record.is_alone ? 'alone' : record.attendee_status} btn-link d-block"
                         t-att-data-id="record.id"
                         t-att-data-title="record.display_name">
-                        <t t-esc="record.display_name"/> <t t-esc="record.start_hour"/>
+                        <t t-esc="record.start_hour"/> <t t-esc="record.display_name"/>
                     </a>
                 </t>
             </t>
diff --git a/addons/web/static/tests/legacy/views/calendar_tests.js b/addons/web/static/tests/legacy/views/calendar_tests.js
index 18e407b59ce..0f560f3d7e9 100644
--- a/addons/web/static/tests/legacy/views/calendar_tests.js
+++ b/addons/web/static/tests/legacy/views/calendar_tests.js
@@ -3877,7 +3877,7 @@ QUnit.module('Views', {
         assert.containsOnce(calendar, '.o_cw_popover');
         popoverText = calendar.el.querySelector('.o_cw_popover')
             .textContent.replace(/\s{2,}/g, ' ').trim();
-        assert.strictEqual(popoverText, 'December 12, 2016 event 2 10:55 event 3 15:55');
+        assert.strictEqual(popoverText, 'December 12, 2016 10:55 event 2 15:55 event 3');
         await testUtils.dom.click(calendar.el.querySelector('.o_cw_popover_close'));
         assert.containsNone(calendar, '.o_cw_popover');