BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20251219T102140
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6aa91c34b7ab6
DTSTAMP:20260915T102140Z
SUMMARY:Schachabend
DTSTART:20261022T150000Z
DTEND:20261022T190000Z
END:VEVENT
END:VCALENDAR