BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20250714T105352
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:69d8d6c040dab
DTSTAMP:20260410T105352Z
SUMMARY:Die Zauberflöte
DTSTART:20260628T170000Z
DTEND:20260628T170000Z
END:VEVENT
END:VCALENDAR