BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20250710T174105
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:69d3f03138429
DTSTAMP:20260406T174105Z
SUMMARY:Polaris – Das Rätsel der Polarnacht
DTSTART:20260425T120000Z
DTEND:20260425T120000Z
END:VEVENT
END:VCALENDAR