BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20250920T035534
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6a321ab658438
DTSTAMP:20260617T035534Z
SUMMARY:Schachabend
DTSTART:20260618T150000Z
DTEND:20260618T190000Z
END:VEVENT
END:VCALENDAR