diff --git a/core/js/share.js b/core/js/share.js
index de50e53a44..1bc8f55568 100644
--- a/core/js/share.js
+++ b/core/js/share.js
@@ -343,6 +343,14 @@ OC.Share={
 }
 
 $(document).ready(function() {
+	$.datepicker.setDefaults({
+		monthNames: monthNames,
+		monthNamesShort: $.map(monthNames, function(v) { return v.slice(0,3)+'.'; }),
+		dayNames: dayNames,
+		dayNamesMin: $.map(dayNames, function(v) { return v.slice(0,2); }),
+		dayNamesShort: $.map(dayNames, function(v) { return v.slice(0,3)+'.'; }),
+		firstDay: firstDay
+	});
 
 	$('a.share').live('click', function(event) {
 		event.stopPropagation();
diff --git a/core/l10n/l10n-de.php b/core/l10n/l10n-de.php
index 976f8ce3c5..d80c3beb2b 100644
--- a/core/l10n/l10n-de.php
+++ b/core/l10n/l10n-de.php
@@ -2,4 +2,5 @@
 $LOCALIZATIONS = array(
 	'date' => '%d.%m.%Y',
 	'datetime' => '%d.%m.%Y %H:%M:%S',
-	'time' => '%H:%M:%S' );
+	'time' => '%H:%M:%S',
+	'firstday' => 0 );
diff --git a/core/l10n/l10n-en.php b/core/l10n/l10n-en.php
index 3a050d477c..6268214b50 100644
--- a/core/l10n/l10n-en.php
+++ b/core/l10n/l10n-en.php
@@ -2,4 +2,5 @@
 $LOCALIZATIONS = array(
 	'date' => '%B %e, %Y',
 	'datetime' => '%B %e, %Y %H:%M',
-	'time' => '%H:%M:%S' );
+	'time' => '%H:%M:%S',
+	'firstday' => 0 );
diff --git a/core/l10n/l10n-es.php b/core/l10n/l10n-es.php
index b81464b491..8798b24d62 100644
--- a/core/l10n/l10n-es.php
+++ b/core/l10n/l10n-es.php
@@ -2,4 +2,5 @@
 $LOCALIZATIONS = array(
 	'date' => '%e de %B de %Y',
 	'datetime' => '%e de %B de %Y %H:%M',
-	'time' => '%H:%M:%S' );
+	'time' => '%H:%M:%S',
+	'firstday' => 1 );
diff --git a/core/templates/layout.user.php b/core/templates/layout.user.php
index b6d8a7604a..92d47cc51f 100644
--- a/core/templates/layout.user.php
+++ b/core/templates/layout.user.php
@@ -13,6 +13,9 @@
 			var oc_current_user = '<?php echo OC_User::getUser() ?>';
 			var oc_requesttoken = '<?php echo $_['requesttoken']; ?>';
 			var oc_requestlifespan = '<?php echo $_['requestlifespan']; ?>';
+			var dayNames = <?php echo json_encode(array((string)$l->t('Sunday'), (string)$l->t('Monday'), (string)$l->t('Tuesday'), (string)$l->t('Wednesday'), (string)$l->t('Thursday'), (string)$l->t('Friday'), (string)$l->t('Saturday'))) ?>;
+			var monthNames = <?php echo json_encode(array((string)$l->t('January'), (string)$l->t('February'), (string)$l->t('March'), (string)$l->t('April'), (string)$l->t('May'), (string)$l->t('June'), (string)$l->t('July'), (string)$l->t('August'), (string)$l->t('September'), (string)$l->t('October'), (string)$l->t('November'), (string)$l->t('December'))) ?>;
+			var firstDay = <?php echo json_encode($l->l('firstday')) ?>;
 		</script>
 		<?php foreach($_['jsfiles'] as $jsfile): ?>
 			<script type="text/javascript" src="<?php echo $jsfile; ?>"></script>
diff --git a/lib/l10n.php b/lib/l10n.php
index 2661153717..72ac9e353d 100644
--- a/lib/l10n.php
+++ b/lib/l10n.php
@@ -60,7 +60,8 @@ class OC_L10N{
 	private $localizations = array(
 		'date' => '%d.%m.%Y',
 		'datetime' => '%d.%m.%Y %H:%M:%S',
-		'time' => '%H:%M:%S');
+		'time' => '%H:%M:%S',
+		'firstday' => 0);
 
 	/**
 	 * get an L10N instance
@@ -221,6 +222,8 @@ class OC_L10N{
 				setlocale(LC_TIME, $locales);
 				return strftime($this->localizations[$type], $data);
 				break;
+			case 'firstday':
+				return $this->localizations[$type];
 			default:
 				return false;
 		}