BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20250718T101444
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:69de1394358de
DTSTAMP:20260414T101444Z
SUMMARY:Offene Sternwarte
DTSTART:20261011T090000Z
DTEND:20261011T110000Z
END:VEVENT
END:VCALENDAR