{% load i18n %} {% if el.REFERENCE_OBJECT.slot_number_start and el.REFERENCE_OBJECT.slot_number_end %} {% if el.REFERENCE_OBJECT.slot_number_start == el.REFERENCE_OBJECT.slot_number_end %} {{ el.REFERENCE_OBJECT.slot_number_start }}. {% else %} {{ el.REFERENCE_OBJECT.slot_number_start }}.–{{ el.REFERENCE_OBJECT.slot_number_end }}. {% endif %} {% elif el.DTSTART.dt.time %} {{ el.DTSTART.dt.time }}–{{ el.DTEND.dt.time }} {% else %} {% trans "all day" %} {% endif %}