Date.UTC(YY,MM,DD,hh,mm,ss)

var jsonDate = field.substr(1, field.indexOf(',')-1);
var phpDate = jsonDate.split(/[- :]/);
var jsDate = new Date(Date.UTC(phpDate[0], phpDate[1]-1, phpDate[2], phpDate[3], phpDate[4], phpDate[5]));

Mon Jul 13 2015 21:11:05 GMT+0430 (Iran Daylight Time)