The following code shows how to use 'Day in month' Date Filter.
<!doctype html>
<html ng-app="myApp">
<head>
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.0-rc.2/angular.js"></script>
</head><!-- w ww . j av a 2 s . c om-->
<body>
<div ng-controller="myController">
<div>Day in month: {{ today | date:'d' }} </div>
</div>
<script>
angular.module('myApp', [])
.controller('myController', function($scope, $filter) {
$scope.today = new Date();
})
</script>
</body>
</html>
The code above is rendered as follows: