diff --git a/wagtail/wagtailadmin/static/wagtailadmin/js/page-editor.js b/wagtail/wagtailadmin/static/wagtailadmin/js/page-editor.js
index 0d6c4d51f..83024b732 100644
--- a/wagtail/wagtailadmin/static/wagtailadmin/js/page-editor.js
+++ b/wagtail/wagtailadmin/static/wagtailadmin/js/page-editor.js
@@ -54,23 +54,55 @@ function insertRichTextDeleteControl(elem) {
 }
 
 function initDateChooser(id) {
-    $('#' + id).datetimepicker({
-        timepicker: false,
-        format: 'Y-m-d',
-    });
+    if (window.dateTimePickerTranslations) {
+        $('#' + id).datetimepicker({
+            timepicker: false,
+            format: 'Y-m-d',
+            i18n: {
+                lang: window.dateTimePickerTranslations
+            },
+            lang: 'lang'
+        });
+    } else {
+        $('#' + id).datetimepicker({
+            timepicker: false,
+            format: 'Y-m-d',
+        });
+    }
 }
 
 function initTimeChooser(id) {
-    $('#' + id).datetimepicker({
-        datepicker: false,
-        format: 'H:i',
-    });
+    if (window.dateTimePickerTranslations) {
+        $('#' + id).datetimepicker({
+            datepicker: false,
+            format: 'H:i',
+            i18n: {
+                lang: window.dateTimePickerTranslations
+            },
+            lang: 'lang'
+        });
+    } else {
+        $('#' + id).datetimepicker({
+            datepicker: false,
+            format: 'H:i',
+        });
+    }
 }
 
 function initDateTimeChooser(id) {
+    if (window.dateTimePickerTranslations) {
+        $('#' + id).datetimepicker({
+            format: 'Y-m-d H:i',
+            i18n: {
+                lang: window.dateTimePickerTranslations
+            },
+            language: 'lang'
+        });
+    } else {
     $('#' + id).datetimepicker({
-        format: 'Y-m-d H:i',
-    });
+            format: 'Y-m-d H:i',
+        });
+    }
 }
 
 function initTagField(id, autocompleteUrl) {
diff --git a/wagtail/wagtailadmin/templates/wagtailadmin/pages/_editor_js.html b/wagtail/wagtailadmin/templates/wagtailadmin/pages/_editor_js.html
index b8334eae2..3ddb8c1f3 100644
--- a/wagtail/wagtailadmin/templates/wagtailadmin/pages/_editor_js.html
+++ b/wagtail/wagtailadmin/templates/wagtailadmin/pages/_editor_js.html
@@ -27,6 +27,8 @@
     {% hook_output 'insert_editor_js' %}
 {% endcompress %}
 
+{% include "wagtailadmin/shared/datetimepicker_translations.html" %}
+
 {% comment %}
     Additional js from widgets media. Allows for custom widgets in admin panel.
 {% endcomment %}
diff --git a/wagtail/wagtailadmin/templates/wagtailadmin/shared/datetimepicker_translations.html b/wagtail/wagtailadmin/templates/wagtailadmin/shared/datetimepicker_translations.html
new file mode 100644
index 000000000..cdbc98638
--- /dev/null
+++ b/wagtail/wagtailadmin/templates/wagtailadmin/shared/datetimepicker_translations.html
@@ -0,0 +1,29 @@
+{% load i18n %}
+
+<script>
+    window.dateTimePickerTranslations = {
+        months: [
+            '{% trans "January" %}',
+            '{% trans "February" %}',
+            '{% trans "March" %}',
+            '{% trans "April" %}',
+            '{% trans "May" %}',
+            '{% trans "June" %}',
+            '{% trans "July" %}',
+            '{% trans "August" %}',
+            '{% trans "September" %}',
+            '{% trans "October" %}',
+            '{% trans "November" %}',
+            '{% trans "December" %}'
+        ],
+        dayOfWeek: [
+            '{% trans "Sun" %}',
+            '{% trans "Mon" %}',
+            '{% trans "Tue" %}',
+            '{% trans "Wed" %}',
+            '{% trans "Thu" %}',
+            '{% trans "Fri" %}',
+            '{% trans "Sat" %}'
+        ]
+    }
+</script>
diff --git a/wagtail/wagtailforms/templates/wagtailforms/index_submissions.html b/wagtail/wagtailforms/templates/wagtailforms/index_submissions.html
index 9b5ca941f..ae9572295 100644
--- a/wagtail/wagtailforms/templates/wagtailforms/index_submissions.html
+++ b/wagtail/wagtailforms/templates/wagtailforms/index_submissions.html
@@ -3,15 +3,25 @@
 {% block titletag %}{% blocktrans with form_title=form_page.title|capfirst %}Submissions of {{ form_title }}{% endblocktrans %}{% endblock %}
 {% block bodyclass %}menu-snippets{% endblock %}
 {% block extra_js %}
+    {% include "wagtailadmin/shared/datetimepicker_translations.html" %}
+
     <script>
         $(function() {
             $('#id_date_from').datetimepicker({
                 timepicker: false,
-                format: 'Y-m-d'
+                format: 'Y-m-d',
+                i18n: {
+                    lang: window.dateTimePickerTranslations
+                },
+                lang: 'lang'
             });
             $('#id_date_to').datetimepicker({
                 timepicker: false,
-                format: 'Y-m-d'
+                format: 'Y-m-d',
+                i18n: {
+                    lang: window.dateTimePickerTranslations
+                },
+                lang: 'lang'
             });
         });
     </script>