BEGIN:VCALENDAR
VERSION:2.0
PRODID:icalendar-ruby
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VTIMEZONE
TZID:Europe/Oslo
BEGIN:DAYLIGHT
DTSTART:20270328T030000
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=3
TZNAME:CEST
END:DAYLIGHT
BEGIN:STANDARD
DTSTART:20271031T020000
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=10
TZNAME:CET
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
DTSTAMP:20260616T154023Z
UID:1154227
DTSTART;TZID=Europe/Oslo:20270611T150000
DTEND;TZID=Europe/Oslo:20270613T030000
LOCATION:Møringa batteri\, Karljohansvern\, Horten
SEQUENCE:1781611387
SUMMARY:Vervenfestivalen 2027
END:VEVENT
END:VCALENDAR