BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20250923T203519
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6a36f9871f2f6
DTSTAMP:20260620T203519Z
SUMMARY:10000 GESTEN
DTSTART:20260625T170000Z
DTEND:20260625T170000Z
END:VEVENT
END:VCALENDAR