date format using javascript (angularjs) on android -

i'm working on application date database web service , can't change web service. made following code parse date received in utc , must automatically convert local time zone using moment.js.

function convertdatetolocal(date) {    return moment(date + " +0000", 'yy-mm-dd hh:mm:ss z').todate(); }  // return date in appropriate format   $scope.gpsdate = function(newdate){     if(typeof newdate !== "undefined"){         var date = convertdatetolocal(newdate);         return date.tolocaledatestring()+ " " + date.tolocaletimestring();     }     else         return "/"; }; 

it works when test on chrome on computer when run on mobile give date on following type : friday, may 08, 2015. , want 08/05/15. there can explain me trouble please?