diff --git a/plugins/libcalendaring/libcalendaring.js b/plugins/libcalendaring/libcalendaring.js
index efde7685..988d035f 100644
--- a/plugins/libcalendaring/libcalendaring.js
+++ b/plugins/libcalendaring/libcalendaring.js
@@ -49,7 +49,7 @@ function rcube_libcalendaring(settings)
     this.datepicker_settings = {
         // translate from fullcalendar (MomentJS) format to datepicker format
         dateFormat: settings.date_format.replace(/M/g, 'm').replace(/mmmm/, 'MM').replace(/mmm/, 'M')
-            .replace(/dddd/, 'DD').replace(/ddd/, 'D').replace(/DD/, 'dd')
+            .replace(/dddd/, 'DD').replace(/ddd/, 'D').replace(/DD/, 'dd').replace(/D/, 'd')
             .replace(/Y/g, 'y').replace(/yyyy/, 'yy'),
         firstDay : settings.first_day,
         dayNamesMin: settings.days_short,
diff --git a/plugins/libcalendaring/libcalendaring.php b/plugins/libcalendaring/libcalendaring.php
index e9a4c286..6a02b9e3 100644
--- a/plugins/libcalendaring/libcalendaring.php
+++ b/plugins/libcalendaring/libcalendaring.php
@@ -49,12 +49,13 @@ class libcalendaring extends rcube_plugin
       'calendar_first_hour'   => 6,
       'calendar_date_format_sets' => array(
         'Y-m-d' => array('d M Y',   'm-d',  'l m-d'),
+        'Y/m/d' => array('d M Y',   'm/d',  'l m/d'),
+        'Y.m.d' => array('d M Y',   'm.d',  'l m.d'),
         'd-m-Y' => array('d M Y',   'd-m',  'l d-m'),
-        'Y/m/d' => array('M d Y',   'm/d',  'l m/d'),
-        'm/d/Y' => array('M d Y',   'm/d',  'l m/d'),
         'd/m/Y' => array('d M Y',   'd/m',  'l d/m'),
-        'd.m.Y' => array('d. M Y',  'd.m.',  'l d.m.'),
-        'd.m.Y' => array('d. M Y',  'd.m.',  'l d.m.'),
+        'd.m.Y' => array('d M Y',  'd.m',  'l d.m'),
+        'j.n.Y' => array('d M Y',  'd.m',  'l d.m'),
+        'm/d/Y' => array('M d Y',   'm/d',  'l m/d'),
       ),
     );