diff --git a/core/js/config.php b/core/js/config.php
index cecbf27e4b..95dd733028 100644
--- a/core/js/config.php
+++ b/core/js/config.php
@@ -78,6 +78,28 @@ $array = array(
 			(string)$l->t('Saturday')
 		)
 	),
+	"dayNamesShort" =>  json_encode(
+		array(
+			(string)$l->t('Sun.'),
+			(string)$l->t('Mon.'),
+			(string)$l->t('Tue.'),
+			(string)$l->t('Wed.'),
+			(string)$l->t('Thu.'),
+			(string)$l->t('Fri.'),
+			(string)$l->t('Sat.')
+		)
+	),
+	"dayNamesMin" =>  json_encode(
+		array(
+			(string)$l->t('Su'),
+			(string)$l->t('Mo'),
+			(string)$l->t('Tu'),
+			(string)$l->t('We'),
+			(string)$l->t('Th'),
+			(string)$l->t('Fr'),
+			(string)$l->t('Sa')
+		)
+	),
 	"monthNames" => json_encode(
 		array(
 			(string)$l->t('January'),
@@ -94,6 +116,22 @@ $array = array(
 			(string)$l->t('December')
 		)
 	),
+	"monthNamesShort" => json_encode(
+		array(
+			(string)$l->t('Jan.'),
+			(string)$l->t('Feb.'),
+			(string)$l->t('Mar.'),
+			(string)$l->t('Apr.'),
+			(string)$l->t('May.'),
+			(string)$l->t('Jun.'),
+			(string)$l->t('Jul.'),
+			(string)$l->t('Aug.'),
+			(string)$l->t('Sep.'),
+			(string)$l->t('Oct.'),
+			(string)$l->t('Nov.'),
+			(string)$l->t('Dec.')
+		)
+	),
 	"firstDay" => json_encode($l->getFirstWeekDay()) ,
 	"oc_config" => json_encode(
 		array(
diff --git a/core/js/share.js b/core/js/share.js
index 57dd0dd655..bf9250b3c3 100644
--- a/core/js/share.js
+++ b/core/js/share.js
@@ -905,10 +905,10 @@ $(document).ready(function() {
 		minDate.setDate(minDate.getDate()+1);
 		$.datepicker.setDefaults({
 			monthNames: monthNames,
-			monthNamesShort: $.map(monthNames, function(v) { return v.slice(0,3)+'.'; }),
+			monthNamesShort: monthNamesShort,
 			dayNames: dayNames,
-			dayNamesMin: $.map(dayNames, function(v) { return v.slice(0,2); }),
-			dayNamesShort: $.map(dayNames, function(v) { return v.slice(0,3)+'.'; }),
+			dayNamesMin: dayNamesMin,
+			dayNamesShort: dayNamesShort,
 			firstDay: firstDay,
 			minDate : minDate
 		});
diff --git a/core/js/tests/specHelper.js b/core/js/tests/specHelper.js
index dbe005ba2e..cd387d76ce 100644
--- a/core/js/tests/specHelper.js
+++ b/core/js/tests/specHelper.js
@@ -35,6 +35,24 @@ window.dayNames = [
 	'Friday',
 	'Saturday'
 ];
+window.dayNamesShort = [
+	'Sun.',
+	'Mon.',
+	'Tue.',
+	'Wed.',
+	'Thu.',
+	'Fri.',
+	'Sat.'
+];
+window.dayNamesMin = [
+	'Su',
+	'Mo',
+	'Tu',
+	'We',
+	'Th',
+	'Fr',
+	'Sa'
+];
 window.monthNames = [
 	'January',
 	'February',
@@ -49,6 +67,20 @@ window.monthNames = [
 	'November',
 	'December'
 ];
+window.monthNamesShort = [
+	'Jan.',
+	'Feb.',
+	'Mar.',
+	'Apr.',
+	'May.',
+	'Jun.',
+	'Jul.',
+	'Aug.',
+	'Sep.',
+	'Oct.',
+	'Nov.',
+	'Dec.'
+];
 window.firstDay = 0;
 
 // setup dummy webroots