BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20250710T224855
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:69d43857c3cda
DTSTAMP:20260406T224855Z
SUMMARY:Offene Sternwarte
DTSTART:20261011T090000Z
DTEND:20261011T110000Z
END:VEVENT
END:VCALENDAR