   <tr>
                            <td>
                                <a href="{% url "week_calendar" calendar_slug %}{% querystring_for_date week.start 3 %}">
                                    {{week.start|date:"W"}}
                                </a>
                            </td>
                            {% for day in week.get_days %}

        {#                        {% day_cell calendar day month size %}#}

                                {% ifnotequal day.start.month month.start.month %}