BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20251223T090000
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6ab002eb91aef
DTSTAMP:20260920T155939Z
SUMMARY:Zwickelfest
DTSTART:20260919T090000Z
DTEND:20260919T160000Z
END:VEVENT
END:VCALENDAR