{% load opening_hours %}

{% with periods=store.opening_periods.all %}
    {% if periods|length %}
        {% regroup periods by weekday as grouped_periods %}
        <table class='table table-bordered table-striped table-condensed'>
            <tbody>
                {% for weekday in grouped_periods %}
                <tr>
                    <td>{{ weekday.list.0|printable_weekday }}</td>
                    <td>
                        {% for period in weekday.list %}
                        {{ period|printable_period }}<br/>
                        {% endfor %}
                    </td>
                </tr>
                {% endfor %}
            </tbody>
        </table>
    {% endif %}
{% endwith %}

{% load opening_hours %}

{% with periods=store.opening_periods.all %}
    {% if periods|length %}
        {% regroup periods by weekday as grouped_periods %}
        <table class='table table-bordered table-striped table-condensed'>
            <tbody>
                {% for weekday in grouped_periods %}
                    <tr>
                        <td>{{ weekday.list.0|printable_weekday }}</td>
                        <td>
                            {% for period in weekday.list %}
                                {{ period|printable_period:"H:i" }}<br/>
                            {% endfor %}
                        </td>
                    </tr>
                {% endfor %}
            </tbody>
        </table>
    {% endif %}
{% endwith %}

Use 24 hour format for times in sandbox
Use 24 hour format for times in sandbox
