$('.daterange').daterangepicker()
.on('apply.daterangepicker' ,function(ev, picker) {
$('.scheduledStartGmt').val(picker.startDate.format(picker.format)).change();
$('.scheduledEndGmt').val(picker.endDate.format(picker.format)).change();
})
.on('show.daterangepicker' ,function(ev, picker){

$('.daterange').data('daterangepicker').setStartDate($('.scheduledStartGmt').val());
$('.daterange').data('daterangepicker').setEndDate($('.scheduledEndGmt').val());

});