osm-commerces/templates/public/edit/opening_hours.html.twig

<div id="opening_hours">
    <h2 class="mt-4">
        <i class="bi bi-clock"></i>
        {{ 'display.opening_hours'|trans }}</h2>
    <p class="description">{{ 'display.opening_hours_description'|trans }}</p>

    {% if commerce_overpass.tags_converted.opening_hours is defined and commerce_overpass.tags_converted.opening_hours != '' %}
        <input type="text"
               placeholder="Remplissez"
               class="form-control"
               name="custom__opening_hours"
               id="custom__opening_hours"
               data-important="true"
               value="{{ commerce_overpass.tags_converted.opening_hours }}">
    {% else %}
        <input type="text"
               placeholder="Mo-Fr 10:00-12:00 "
               class="form-control"
               name="custom__opening_hours"
               id="custom__opening_hours"
               data-important="true"
               value="">
        <br>
    {% endif %}
    <hr>
</div>