Can I set startTime and endTime to datetimepicker?

Can I set startTime and endTime to datetimepicker?

 I have this
      $('#Date').datetimepicker({
        controlType: 'select',
        timeFormat: 'HH:mm',
        showAnim: 'slideDown',
        minDate: "+7D", 
        hourMin: "15"
        hourMax: "20" 
      });
but i want to set startTime something like"15:30" and endTime "20:35". I can't use minuteMax:"35" because then I won't be able to select for example "15:40.

Thank you