BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20250913T182234
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6a29ab6a93faf
DTSTAMP:20260610T182234Z
SUMMARY:Die Zauberflöte
DTSTART:20260919T170000Z
DTEND:20260919T170000Z
END:VEVENT
END:VCALENDAR