BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20250714T152942
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:69d91766ba1d5
DTSTAMP:20260410T152942Z
SUMMARY:Offene Sternwarte
DTSTART:20261011T090000Z
DTEND:20261011T110000Z
END:VEVENT
END:VCALENDAR