diff --git a/addons/web/static/lib/tempusdominus/tempusdominus.js b/addons/web/static/lib/tempusdominus/tempusdominus.js
index 80619bfe2da..6a1d9544fec 100644
--- a/addons/web/static/lib/tempusdominus/tempusdominus.js
+++ b/addons/web/static/lib/tempusdominus/tempusdominus.js
@@ -490,7 +490,7 @@ var DateTimePicker = function ($, moment) {
         DateTimePicker.prototype._change = function _change(e) {
             var val = $(e.target).val().trim(),
                 parsedDate = val ? this._parseInputDate(val) : null;
-            this._setValue(parsedDate);
+            this._setValue(parsedDate, 0); // Odoo FIX: if a valid date is replaced by an invalid one, lib will crash, see https://github.com/tempusdominus/bootstrap-4/issues/223
             e.stopImmediatePropagation();
             return false;
         };
diff --git a/addons/web/static/src/js/public/public_root.js b/addons/web/static/src/js/public/public_root.js
index f684df2b629..93e1c4fd92e 100644
--- a/addons/web/static/src/js/public/public_root.js
+++ b/addons/web/static/src/js/public/public_root.js
@@ -84,6 +84,8 @@ var PublicRoot = publicWidget.RootWidget.extend({
             $('input, textarea').placeholder();
         }
 
+        this.$el.children().on('error.datetimepicker', this._onDateTimePickerError.bind(this));
+
         return Promise.all(defs);
     },
 
@@ -316,6 +318,15 @@ var PublicRoot = publicWidget.RootWidget.extend({
     _onDisableOnClick: function (ev) {
         $(ev.currentTarget).addClass('disabled');
     },
+    /**
+     * Library clears the wrong date format so just ignore error
+     *
+     * @private
+     * @param {Event} ev
+     */
+    _onDateTimePickerError: function (ev) {
+        return false;
+    },
 });
 
 return {
diff --git a/addons/website/static/src/js/menu/content.js b/addons/website/static/src/js/menu/content.js
index 6b163b6b34f..9871f01b55b 100644
--- a/addons/website/static/src/js/menu/content.js
+++ b/addons/website/static/src/js/menu/content.js
@@ -25,6 +25,7 @@ var PagePropertiesDialog = weWidgets.Dialog.extend({
         'click input#visibility_password': '_onPasswordClicked',
         'change input#visibility_password': '_onPasswordChanged',
         'change select#visibility': '_onVisibilityChanged',
+        'error.datetimepicker': '_onDateTimePickerError',
     }),
 
     /**
@@ -423,6 +424,14 @@ var PagePropertiesDialog = weWidgets.Dialog.extend({
         this.$('.show_group_id').toggleClass('d-none', ev.target.value !== 'restricted_group');
         this.$('#visibility_password').attr('required', ev.target.value === 'password');
     },
+    /**
+     * Library clears the wrong date format so just ignore error
+     *
+     * @private
+     */
+    _onDateTimePickerError: function (ev) {
+        return false;
+    },
     /**
      * @private
      */