BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20250722T103628
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:69e35eac0f6c9
DTSTAMP:20260418T103628Z
SUMMARY:Die Zauberflöte
DTSTART:20260621T160000Z
DTEND:20260621T160000Z
END:VEVENT
END:VCALENDAR