BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20250707T214321
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:69d0347942e67
DTSTAMP:20260403T214321Z
SUMMARY:OPAL-Führung
DTSTART:20260418T120000Z
DTEND:20260418T120000Z
END:VEVENT
END:VCALENDAR