BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20251213T111845
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6aa1409504992
DTSTAMP:20260909T111845Z
SUMMARY:schnellschwimmer
DTSTART:20260911T210000Z
DTEND:20260911T210000Z
END:VEVENT
END:VCALENDAR