Show end time in subevent list (Z#23237612)

src/pretix/base/models/event.py

@@ -179,6 +179,12 @@ class EventMixin:
             self.date_to.astimezone(tz), ("D" if short else "l")
         )
 
+    def is_same_day(self):
+        if not self.date_to:
+            return True
+        else:
+            return self.date_from.astimezone(self.timezone).date() == self.date_to.astimezone(self.timezone).date()
+
     def get_date_range_display(self, tz=None, force_show_end=False, as_html=False, try_to_show_times=False) -> str:
         """
         Returns a formatted string containing the start date and the end date

src/pretix/presale/templates/pretixpresale/event/fragment_subevent_list.html

@@ -1,6 +1,7 @@
 {% load i18n %}
 {% load icon %}
 {% load eventurl %}
+{% load date_fast %}
 
 <div class="event-list full-width-list alternating-rows">
 {% for subev in subevent_list.subevent_list %}
@@ -17,8 +18,14 @@
                 <span data-time="{{ subev.date_from.isoformat }}" data-timezone="{{ event.timezone }}" data-time-short>
                     {% icon "clock-o" %}
                     <span class="sr-only">{% trans "Time of day" %}</span>
-                    <time datetime="{{ subev.date_from.isoformat }}">{{ subev.date_from|date:"TIME_FORMAT" }}</time>
+                    <time datetime="{{ subev.date_from|date_fast:"H:i" }}">{{ subev.date_from|date_fast:"TIME_FORMAT" }}</time>
                 </span>
+                {% if event.settings.show_date_to and subev.date_to and subev.is_same_day %}
+                    <span data-time="{{ subev.date_to.isoformat }}" data-timezone="{{ event.timezone }}" data-time-short>
+                        <span aria-hidden="true">–</span><span class="sr-only">{% trans "until" context "timerange" %}</span>
+                        <time datetime="{{ subev.date_to|date_fast:"H:i" }}">{{ subev.date_to|date_fast:"TIME_FORMAT" }}</time>
+                    </span>
+                {% endif %}
             {% endif %}
         </p>
         <p class="col-md-3 col-xs-6">

src/pretix/presale/templates/pretixpresale/organizers/index.html

@@ -67,7 +67,7 @@
                                             {% icon "clock-o" %}
                                             <span class="sr-only">{% trans "Time of day" %}</span>
                                             <time datetime="{{ e.date_from|date_fast:"H:i" }}">{{ e.date_from|date:"TIME_FORMAT" }}</time>
-                                            {% if e.settings.show_date_to and e.date_to and e.date_to.date == e.date_from.date %}
+                                            {% if e.settings.show_date_to and e.date_to and e.is_same_day %}
                                                 <span aria-hidden="true">–</span><span class="sr-only">{% trans "until" context "timerange" %}</span>
                                                 <time datetime="{{ e.date_to|date_fast:"H:i" }}">{{ e.date_to|date:"TIME_FORMAT" }}</time>
                                             {% endif %}