Jquery-ui-datepicker

HTML

<div class="form-group">
	<label class="col-sm-2 control-label">Start Date:</label>
	<div class="col-sm-10">
		<input class="form-control" type="text" id="datepicker" name="start_date" required="required">
	</div>
</div>

JavaScript

$('#datepicker').datepicker({
    dateFormat: 'dd/mm/yy', 
    minDate: 0 
});