BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20250906T173604
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6a2066046eeb5
DTSTAMP:20260603T173604Z
SUMMARY:OPAL-Führung
DTSTART:20260613T090000Z
DTEND:20260613T090000Z
END:VEVENT
END:VCALENDAR