BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20250928T150000
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6a3d8ac569a58
DTSTAMP:20260625T200837Z
SUMMARY:Schachabend
DTSTART:20260625T150000Z
DTEND:20260625T190000Z
END:VEVENT
END:VCALENDAR