openmct/platform/commonUI/general/res/templates/controls/datetime-field.html

<span class="s-btn"
      ng-controller="DateTimeFieldController">
    <input type="text"
           ng-model="textValue"
           ng-blur="restoreValue(); structure.submit()"
           ng-class="{ error: textInvalid }">
    </input>
    <a class="ui-symbol icon icon-calendar"
       ng-if="structure.format === 'utc' || !structure.format"
       ng-click="picker.active = !picker.active">
    </a>
    <mct-popup ng-if="picker.active">
        <div mct-click-elsewhere="picker.active = false">
            <mct-control key="'datetime-picker'"
                         ng-model="pickerModel"
                         field="'value'"
                         options="{ hours: true }">
            </mct-control>
        </div>
    </mct-popup>
</span>