Bootstrap Date/Time Picker - Change Formate On Change Event

gistfile1.txt

<!-- BOOTSTRAP DATE TIME PICKER -->
    <script src="plugins/datetimepicker/bootstrap-datetimepicker.min.js"></script>
    <script type="text/javascript">
        $(function () {
            $('#meetingdatetime').datetimepicker({format: 'DD-MM-YYYY, h:m a'}).on('dp.change',function(e){                    
                 var formatedValue = e.date.format("YYYY-MM-DD HH:mm:ss");                                        
                 $("#datetime").val(formatedValue);
             }); 
        });
    </script>

gistfile2.txt

<script>
        $('#meetingdatetime').datepicker({
            format: 'dd/mm/yyyy',
            autoclose: true
        }).on('changeDate', function (e) {
            var formatedValue = e.format("yyyy-mm-dd");
            $("#datetime").val(formatedValue);
        }); // SET MYSQL DATE FORMATE IN HIDDEN FIELD
    </script>