BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20260130T043107
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6ae0290b5f932
DTSTAMP:20261027T043107Z
SUMMARY:Freisein
DTSTART:20270128T230000Z
DTEND:20270128T230000Z
END:VEVENT
END:VCALENDAR