BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20260123T153745
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6ad78ac9812e9
DTSTAMP:20261020T153745Z
SUMMARY:Schachabend
DTSTART:20261029T160000Z
DTEND:20261029T200000Z
END:VEVENT
END:VCALENDAR