BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20250909T212656
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6a2490a041eb9
DTSTAMP:20260606T212656Z
SUMMARY:Die Zauberflöte
DTSTART:20261231T180000Z
DTEND:20261231T180000Z
END:VEVENT
END:VCALENDAR