BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20250903T111429
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6a1c18158194c
DTSTAMP:20260531T111429Z
SUMMARY:10000 GESTEN
DTSTART:20260625T170000Z
DTEND:20260625T170000Z
END:VEVENT
END:VCALENDAR