diff --git a/ietf/templates/meeting/upcoming.ics b/ietf/templates/meeting/upcoming.ics
index e948dbd64..c20f31859 100644
--- a/ietf/templates/meeting/upcoming.ics
+++ b/ietf/templates/meeting/upcoming.ics
@@ -8,8 +8,8 @@ SUMMARY:{% if item.session.name %}{{item.session.name|ics_esc}}{% else %}{{item.
 {% if item.schedule.meeting.city %}LOCATION:{{item.schedule.meeting.city}},{{item.schedule.meeting.country}}
 {% endif %}STATUS:{{item.session.ical_status}}
 CLASS:PUBLIC
-DTSTART{% if item.schedule.meeting.time_zone and item.schedule.meeting.time_zone != 'UTC' %};TZID={{ item.schedule.meeting.time_zone|ics_esc }}{%endif%}:{{ item.timeslot.time|date:"Ymd" }}T{{item.timeslot.time|date:"Hi"}}00
-DTEND{% if item.schedule.meeting.time_zone and item.schedule.meeting.time_zone != 'UTC' %};TZID={{ item.schedule.meeting.time_zone|ics_esc }}{%endif%}:{{ item.timeslot.end_time|date:"Ymd" }}T{{item.timeslot.end_time|date:"Hi"}}00
+DTSTART{% if item.schedule.meeting.time_zone %};TZID={{ item.schedule.meeting.time_zone|ics_esc }}{%endif%}:{{ item.timeslot.time|date:"Ymd" }}T{{item.timeslot.time|date:"Hi"}}00
+DTEND{% if item.schedule.meeting.time_zone %};TZID={{ item.schedule.meeting.time_zone|ics_esc }}{%endif%}:{{ item.timeslot.end_time|date:"Ymd" }}T{{item.timeslot.end_time|date:"Hi"}}00
 DTSTAMP:{{ item.timeslot.modified|date:"Ymd" }}T{{ item.timeslot.modified|date:"His" }}Z
 {% if item.session.agenda %}URL:{{item.session.agenda.get_href}}
 DESCRIPTION:{{item.timeslot.name|ics_esc}}\n{% if item.session.agenda_note %}
@@ -23,8 +23,8 @@ UID:ietf-{{ meeting.number }}
 SUMMARY:IETF {{ meeting.number }}{% if meeting.city %}
 LOCATION:{{ meeting.city }},{{ meeting.country }}{% endif %}
 CLASS:PUBLIC
-DTSTART;VALUE=DATE{% if meeting.time_zone and meeting.time_zone != 'UTC' %};TZID={{ meeting.time_zone|ics_esc }}{% endif %}:{{ meeting.date|date:"Ymd" }}
-DTEND;VALUE=DATE{% if meeting.time_zone and meeting.time_zone != 'UTC' %};TZID={{ meeting.time_zone|ics_esc }}{% endif %}:{{ meeting.end_date|date:"Ymd" }}
+DTSTART;VALUE=DATE{% if meeting.time_zone %};TZID={{ meeting.time_zone|ics_esc }}{% endif %}:{{ meeting.date|date:"Ymd" }}
+DTEND;VALUE=DATE{% if meeting.time_zone %};TZID={{ meeting.time_zone|ics_esc }}{% endif %}:{{ meeting.end_date|date:"Ymd" }}
 DTSTAMP:{{ meeting.cached_updated|date:"Ymd" }}T{{ meeting.cached_updated|date:"His" }}Z
 URL:{{ request.scheme }}://{{ request.get_host }}{% url 'ietf.meeting.views.agenda' num=meeting.number %}
 END:VEVENT