JQuery Datepicker Localization German

To hide Chinese chars from muthu's answer, add inside the options:

  weekHeader: "W",
  yearSuffix: ""

Check whether you have included the localization js file for the german

if you not means include this

<script type="text/javascript"
        src="http://jquery-ui.googlecode.com/svn/tags/latest/ui/minified/i18n/jquery-ui-i18n.min.js">
</script>

and code should be

 $(function() {
  $('#datepicker').datepicker({
       prevText: '&#x3c;zurück', prevStatus: '',
        prevJumpText: '&#x3c;&#x3c;', prevJumpStatus: '',
        nextText: 'Vor&#x3e;', nextStatus: '',
        nextJumpText: '&#x3e;&#x3e;', nextJumpStatus: '',
        currentText: 'heute', currentStatus: '',
        todayText: 'heute', todayStatus: '',
        clearText: '-', clearStatus: '',
        closeText: 'schließen', closeStatus: '',
        monthNames: ['Januar','Februar','März','April','Mai','Juni',
        'Juli','August','September','Oktober','November','Dezember'],
        monthNamesShort: ['Jan','Feb','Mär','Apr','Mai','Jun',
        'Jul','Aug','Sep','Okt','Nov','Dez'],
        dayNames: ['Sonntag','Montag','Dienstag','Mittwoch','Donnerstag','Freitag','Samstag'],
        dayNamesShort: ['So','Mo','Di','Mi','Do','Fr','Sa'],
        dayNamesMin: ['So','Mo','Di','Mi','Do','Fr','Sa'],
      showMonthAfterYear: false,
      showOn: 'both',
      buttonImage: 'media/img/calendar.png',
      buttonImageOnly: true,
      dateFormat:'d MM, y'
    } 
  );

});

Demo


It is neccessary to combine the already given answeres here like this:

Add to the Header:

<script type="text/javascript" src="http://jquery-ui.googlecode.com/svn/tags/latest/ui/minified/i18n/jquery-ui-i18n.min.js"></script>

and to your Code:

$.datepicker.setDefaults($.datepicker.regional["de"]);

That's it!