BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20250824T115342
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6a0ef246bafe9
DTSTAMP:20260521T115342Z
SUMMARY:Opernchorkonzert
DTSTART:20260521T173000Z
DTEND:20260521T173000Z
END:VEVENT
END:VCALENDAR