BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20250907T191530
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6a21ced2b88d8
DTSTAMP:20260604T191530Z
SUMMARY:Friso (Sommerbühne)
DTSTART:20260730T180000Z
DTEND:20260730T180000Z
END:VEVENT
END:VCALENDAR