BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20250920T003509
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6a31ebbd25f25
DTSTAMP:20260617T003509Z
SUMMARY:Sommerfest mit Konzert
DTSTART:20260617T180000Z
DTEND:20260617T210000Z
END:VEVENT
END:VCALENDAR