JSFiddle - React, Tailwind, and code Playground
HTML
<div ng-app="timerApp">
<div ng-controller="timerController">
{{time}}
</div>
</div>
JavaScript
var app = angular.module("timerApp", []);
app.controller("timerController",['$scope','$interval','$filter', function($scope, $interval, $filter){
$interval(function(){
$scope.time = $filter('date')(new Date(),"hh:mm:ss a", 'UTC')
},1000,0,null);
}]);