Setting date range picker start date to blank

autoUpdateInput: false

function (chosen_date) {
    $('.form-datetime').val(chosen_date.format('YYYY-MM-DD'));
}

Input Initially Empty

<input type="text" name="datefilter" value="" />

<script type="text/javascript">
$(function() {

  $('input[name="datefilter"]').daterangepicker({
      autoUpdateInput: false,
      locale: {
          cancelLabel: 'Clear'
      }
  });

  $('input[name="datefilter"]').on('apply.daterangepicker', function(ev, picker) {
      $(this).val(picker.startDate.format('MM/DD/YYYY') + ' - ' + picker.endDate.format('MM/DD/YYYY'));
  });

  $('input[name="datefilter"]').on('cancel.daterangepicker', function(ev, picker) {
      $(this).val('');
  });

});
</script>

or

//daterangepickers
            //moment.locale('tr');
            moment.locale("@SessionHelper.CurrentLanguageTwoChar");

            $(".date-control").daterangepicker({
                singleDatePicker: true,
                showDropdowns: true,                
                //timePicker: true,
                //timePicker24Hour: true,
                //timePickerSeconds: true,
                minYear: parseInt(moment().subtract(10, 'years').format('YYYY'),10),
                maxYear: parseInt(moment().add(10, 'years').format('YYYY'), 10),
                autoUpdateInput: false,                
                singleClasses: "",
                locale: {
                    //format: 'DD.MM.YYYY HH:mm:ss'
                    //format: 'DD.MM.YYYY'
                }
            });

            $('.date-control').on('apply.daterangepicker', function (ev, picker) {
                $(this).val(picker.startDate.format('L'));
            });

            $('.date-control').on('cancel.daterangepicker', function (ev, picker) {
                $(this).val('');
            });

http://www.daterangepicker.com/#example5

https://github.com/dangrossman/daterangepicker/issues/815

I solved this issue using this....I hope this issue could help you. Input Tag

    <div class="form-group">
        <label>Due date:</label>
        <div class="input-group">
            <input type="text" 
                class="form-control float-right" 
                id="duetime"
                name="due_time" 
                autocomplete="off" 
             />
        </div>
    </div>

script

<script>
 $(function(){

    $("#duetime").daterangepicker({
        autoUpdateInput: false,
        minYear: 1901,
        showDropdowns: true,
        singleDatePicker: true,
        timePicker: true,
        timePicker24Hour: false,
        timePickerIncrement: 05,
        drops: "up",
        locale: {
            format: 'MM/DD/YYYY hh:mm A'
        }
    }).on("apply.daterangepicker", function (e, picker) {
        picker.element.val(picker.startDate.format(picker.locale.format));
    });

 });
</script>

Note: I found this from this source https://github.com/dangrossman/daterangepicker/issues/815#issuecomment-493323964