JSFiddle - React, Tailwind, and code Playground

HTML

<div ng-app>

  <div ng-controller="dateCtrl" ng-bind="changeFormat(date.date) | date:'dd-MM-yyyy hh:mm:ss'">
     
  </div>        
</div>

JavaScript

function dateCtrl($scope) {
  $scope.date = { date:"2014-05-15T00:00:00", timezone_type:3, timezone:"Europe/Paris"};
  
  $scope.changeFormat = function(value){
  	 return new Date(value).getTime();
  }
};