BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20251217T070129
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6aa64a4974f6a
DTSTAMP:20260913T070129Z
SUMMARY:Tom Gaebel singt Sinatra
DTSTART:20270605T180000Z
DTEND:20270605T180000Z
END:VEVENT
END:VCALENDAR