Dcat-Admin/resources/views/filter/datetime.blade.php

<div class="input-group input-group-sm">
    @if($group)
        <div class="input-group-prepend dropdown">
            <a class="filter-group input-group-text bg-white dropdown-toggle" data-toggle="dropdown">
                <span class="{{ $group_name }}-label">{{ $default['label'] }}&nbsp; </span>
            </a>
            <input type="hidden" name="{{ $id }}_group" class="{{ $group_name }}-operation" value="{{ request($id.'_group', 0) }}" />
            <ul class="dropdown-menu {{ $group_name }}">
                @foreach($group as $index => $item)
                    <li class="dropdown-item"><a href="#" data-index="{{ $index }}"> {{ $item['label'] }} </a></li>
                @endforeach
            </ul>
        </div>
    @endif

    <div class="input-group-prepend">
        <span class="input-group-text bg-white text-capitalize"><b>{!! $label !!}</b>&nbsp;<i class="feather icon-calendar"></i></span>
    </div>
    <input class="form-control" id="{{$id}}" autocomplete="off" placeholder="{{$label}}" name="{{$name}}" value="{{ request($name, $value) }}">
</div>

<script require="@moment,@bootstrap-datetimepicker">
    $('#{{ $id }}').datetimepicker({!! admin_javascript_json($options) !!});
</script>