Angular + Moment

HTML

<script src="http://code.jquery.com/jquery-1.6.4.js"></script>
<script src="http://ajax.googleapis.com/ajax/libs/angularjs/1.0.6/angular.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/moment.js/1.7.2/moment.min.js"></script>
<div ng-controller="TestController">

    <p>{{output}}</p>
    <p>{{output2}}</p>
    <p>{{output3}}</p>
</div>

JavaScript

var testApp = angular.module('testApp', []);

testApp.controller('TestController', function ($scope) {
    $scope.date = {
    	callback_address: "34635964239",
    	schedule_start_time: "2018-11-23 15:16:00.0 Etc/GMT"
    }
    
    let output = '';
    
    //$scope.date.schedule_start_time;
    
    let m1 = moment (new Date());
    let m2 = moment ($scope.date.schedule_start_time, "YYYY-MM-DD HH:mm:SS ZZ");
    
    $scope.output = m1;
    $scope.output2 = m2;
    $scope.output3 = m2.toGMTString();
    
    
});

angular.element(document).ready(function () {
    angular.bootstrap(document, ['testApp']);
});