BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20251225T174858
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6ab16e0adc9a5
DTSTAMP:20260921T174858Z
SUMMARY:Schachabend
DTSTART:20261210T160000Z
DTEND:20261210T200000Z
END:VEVENT
END:VCALENDAR