gentelella/vendors/bootstrap-datetimepicker/test/screen-capture/t2.html

<div class="input-group">
                <span class="input-group-addon">
                    end time
                </span>
                <input type="text" name="filter.endTime[]" class="form-control" placeholder="end time" id="end-time-input" value=""
                data-datetimepicker data-click-target>
            </div>