BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20251024T213712
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6a5fe688f329b
DTSTAMP:20260721T213712Z
SUMMARY:Die Zauberflöte
DTSTART:20261226T180000Z
DTEND:20261226T180000Z
END:VEVENT
END:VCALENDAR