timezones and stuff

augenpruefraum.ics

@@ -4,8 +4,27 @@ type: text/calendar
 ---
 BEGIN:VCALENDAR
 VERSION:2.0
-PRODID:http://www.example.com/
+CALSCALE:GREGORIAN
+PRODID:https://chaotikum.org/
 METHOD:PUBLISH
+BEGIN:VTIMEZONE
+TZID:Europe/Berlin
+X-LIC-LOCATION:Europe/Berlin
+BEGIN:DAYLIGHT
+TZOFFSETFROM:+0100
+TZOFFSETTO:+0100
+DTSTART:19701025T030000
+TZNAME:CET
+RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU
+END:DAYLIGHT
+BEGIN:STANDARD
+TZOFFSETFROM:+0200
+TZOFFSETTO:+0200
+TZNAME:CEST
+DTSTART:19700329T020000
+RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU
+END:STANDARD
+END:VTIMEZONE
 {% for event in site.events %}{% if event.locations contains 'Augenprüfraum' %}BEGIN:VEVENT
 UID:{{ event.uid }}
 ORGANIZER;CN={% if event.organizer and event.organizer != "" and event.organizer != nil %}{{event.organizer}}{% else %}Chaotikum e.V.{% endif %}:MAILTO:{{event.contact}}

lager.ics

@@ -4,8 +4,27 @@ type: text/calendar
 ---
 BEGIN:VCALENDAR
 VERSION:2.0
-PRODID:http://www.example.com/
+CALSCALE:GREGORIAN
+PRODID:https://chaotikum.org/
 METHOD:PUBLISH
+BEGIN:VTIMEZONE
+TZID:Europe/Berlin
+X-LIC-LOCATION:Europe/Berlin
+BEGIN:DAYLIGHT
+TZOFFSETFROM:+0100
+TZOFFSETTO:+0100
+DTSTART:19701025T030000
+TZNAME:CET
+RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU
+END:DAYLIGHT
+BEGIN:STANDARD
+TZOFFSETFROM:+0200
+TZOFFSETTO:+0200
+TZNAME:CEST
+DTSTART:19700329T020000
+RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU
+END:STANDARD
+END:VTIMEZONE
 {% for event in site.events %}{% if event.locations contains 'Lager' %}BEGIN:VEVENT
 UID:{{ event.uid }}
 ORGANIZER;CN={% if event.organizer and event.organizer != "" and event.organizer != nil %}{{event.organizer}}{% else %}Chaotikum e.V.{% endif %}:MAILTO:{{event.contact}}

wartezimmer.ics

@@ -4,8 +4,27 @@ type: text/calendar
 ---
 BEGIN:VCALENDAR
 VERSION:2.0
-PRODID:http://www.example.com/
+CALSCALE:GREGORIAN
+PRODID:https://chaotikum.org/
 METHOD:PUBLISH
+BEGIN:VTIMEZONE
+TZID:Europe/Berlin
+X-LIC-LOCATION:Europe/Berlin
+BEGIN:DAYLIGHT
+TZOFFSETFROM:+0100
+TZOFFSETTO:+0100
+DTSTART:19701025T030000
+TZNAME:CET
+RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU
+END:DAYLIGHT
+BEGIN:STANDARD
+TZOFFSETFROM:+0200
+TZOFFSETTO:+0200
+TZNAME:CEST
+DTSTART:19700329T020000
+RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU
+END:STANDARD
+END:VTIMEZONE
 {% for event in site.events %}{% if event.locations contains 'Wartezimmer' %}BEGIN:VEVENT
 UID:{{ event.uid }}
 ORGANIZER;CN={% if event.organizer and event.organizer != "" and event.organizer != nil %}{{event.organizer}}{% else %}Chaotikum e.V.{% endif %}:MAILTO:{{event.contact}}