BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20250913T043208
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6a28e8c84bac8
DTSTAMP:20260610T043208Z
SUMMARY:Die Zauberflöte
DTSTART:20261213T170000Z
DTEND:20261213T170000Z
END:VEVENT
END:VCALENDAR