Fix for #4930

Author: jzaefferer

ui/i18n/jquery.ui.datepicker-da.js

@@ -15,7 +15,7 @@ jQuery(function($){
 		dayNamesMin: ['Sø','Ma','Ti','On','To','Fr','Lø'],
 		weekHeader: 'Uge',
         dateFormat: 'dd-mm-yy',
-		firstDay: 0,
+		firstDay: 1,
 		isRTL: false,
 		showMonthAfterYear: false,
 		yearSuffix: ''};