BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20250728T190921
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:69ebbfe153e6f
DTSTAMP:20260424T190921Z
SUMMARY:Die Zauberflöte
DTSTART:20260620T170000Z
DTEND:20260620T170000Z
END:VEVENT
END:VCALENDAR