<span>
  {% if now.year != choice.start_datetime.year %}
  {{ choice.start_datetime.strftime("%a %d.%m.%Y") }}
  {% else %}
  {{ choice.start_datetime.strftime("%a %d.%m") }}
  {% endif %}
</span>
<span>
  {% if not poll.is_whole_day %}
  {{ choice.start_datetime.strftime("%H:%M") }}
  {% endif %}
</span>
{% if (poll.is_whole_day and not choice.ends_on_same_day()) or (not poll.is_whole_day and not choice.ends_at_same_datetime()) %}
<span>&mdash;</span>
{% endif %}

{% if not choice.ends_on_same_day() %}
<span>
  {% if now.year != choice.end_datetime.year %}
  {{ choice.end_datetime.strftime("%a %d.%m.%Y") }}
  {% else %}
  {{ choice.end_datetime.strftime("%a %d.%m") }}
  {% endif %}
</span>
{% endif %}

<span>
  {% if not poll.is_whole_day %}
  {{ choice.end_datetime.strftime("%H:%M") }}
  {% endif %}
</span>