diff -r 07239de796bb -r e756a8c72c3d cms/drupal/modules/locale/locale.datepicker.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cms/drupal/modules/locale/locale.datepicker.js	Fri Sep 08 12:04:06 2017 +0200
@@ -0,0 +1,79 @@
+(function ($) {
+
+/**
+ * Attaches language support to the jQuery UI datepicker component.
+ */
+Drupal.behaviors.localeDatepicker = {
+  attach: function(context, settings) {
+    // This code accesses Drupal.settings and localized strings via Drupal.t().
+    // So this code should run after these are initialized. By placing it in an
+    // attach behavior this is assured.
+    $.datepicker.regional['drupal-locale'] = $.extend({
+      closeText: Drupal.t('Done'),
+      prevText: Drupal.t('Prev'),
+      nextText: Drupal.t('Next'),
+      currentText: Drupal.t('Today'),
+      monthNames: [
+        Drupal.t('January'),
+        Drupal.t('February'),
+        Drupal.t('March'),
+        Drupal.t('April'),
+        Drupal.t('May'),
+        Drupal.t('June'),
+        Drupal.t('July'),
+        Drupal.t('August'),
+        Drupal.t('September'),
+        Drupal.t('October'),
+        Drupal.t('November'),
+        Drupal.t('December')
+      ],
+      monthNamesShort: [
+        Drupal.t('Jan'),
+        Drupal.t('Feb'),
+        Drupal.t('Mar'),
+        Drupal.t('Apr'),
+        Drupal.t('May'),
+        Drupal.t('Jun'),
+        Drupal.t('Jul'),
+        Drupal.t('Aug'),
+        Drupal.t('Sep'),
+        Drupal.t('Oct'),
+        Drupal.t('Nov'),
+        Drupal.t('Dec')
+      ],
+      dayNames: [
+        Drupal.t('Sunday'),
+        Drupal.t('Monday'),
+        Drupal.t('Tuesday'),
+        Drupal.t('Wednesday'),
+        Drupal.t('Thursday'),
+        Drupal.t('Friday'),
+        Drupal.t('Saturday')
+      ],
+      dayNamesShort: [
+        Drupal.t('Sun'),
+        Drupal.t('Mon'),
+        Drupal.t('Tue'),
+        Drupal.t('Wed'),
+        Drupal.t('Thu'),
+        Drupal.t('Fri'),
+        Drupal.t('Sat')
+      ],
+      dayNamesMin: [
+        Drupal.t('Su'),
+        Drupal.t('Mo'),
+        Drupal.t('Tu'),
+        Drupal.t('We'),
+        Drupal.t('Th'),
+        Drupal.t('Fr'),
+        Drupal.t('Sa')
+      ],
+      dateFormat: Drupal.t('mm/dd/yy'),
+      firstDay: 0,
+      isRTL: 0
+    }, Drupal.settings.jquery.ui.datepicker);
+    $.datepicker.setDefaults($.datepicker.regional['drupal-locale']);
+  }
+};
+
+})(jQuery);