<a href="{{ post.get_absolute_url }}" class="calendar-entry">
    <div class="calendar-dateBubble">
        <span class="dateBubble-day">{{ post.event_start|date:"d" }}</span>
        <span class="dateBubble-month">{{ post.event_start|date:"M" }}</span>
    </div>
    <h3>{{ post.title }}</h3>
</a>
