Ghost/ghost/admin/app/components/gh-date-time-picker.hbs

<div class="gh-date-time-picker">
    <PowerDatepicker
        @selected={{this._date}}
        @center={{this._date}}
        @onSelect={{action "setDate" value="date"}}
        @renderInPlace={{true}}
        @disabled={{this.disabled}} as |dp|
    >
        <dp.Trigger @tabindex="-1" data-test-date-time-picker-datepicker=true>
            <div class="gh-date-time-picker-date {{if this.dateError "error"}}">
                <input type="text"
                    placeholder={{this.dateFormat}}
                    value={{readonly this.dateValue}}
                    disabled={{this.disabled}}
                    {{on "input" (fn this.onDateInput dp)}}
                    {{on "blur" this.onDateBlur}}
                    {{on "keydown" (fn this.onDateKeydown dp)}}
                    data-test-date-time-picker-date-input>
                {{svg-jar "calendar"}}
            </div>
        </dp.Trigger>
        <dp.Content class="dropdown-menu">
            <dp.Nav />
            <dp.Days @minDate={{this._minDate}} @maxDate={{this._maxDate}} @weekdayFormat="min" />
        </dp.Content>
    </PowerDatepicker>

    <div class="gh-date-time-picker-time {{if this.hasError "error"}}">
        <input
            type="text"
            value={{this._time}}
            disabled={{this.disabled}}
            oninput={{action (mut this._time) value="target.value"}}
            onblur={{action "setTime" this._time}}
            {{did-insert this.registerTimeInput}}
            data-test-date-time-picker-time-input
        >
        <small class="gh-date-time-picker-timezone">({{this.timezone}})</small>
    </div>
</div>
{{#if this.hasError}}
    <div class="gh-date-time-picker-error" data-test-date-time-picker-error>{{this.dateError}}{{this.timeError}}</div>
{{/if}}