BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20250710T192123
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:69d407b3a4d32
DTSTAMP:20260406T192123Z
SUMMARY:Offene Sternwarte
DTSTART:20260517T090000Z
DTEND:20260517T110000Z
END:VEVENT
END:VCALENDAR