BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20250913T170059
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6a29984b3e890
DTSTAMP:20260610T170059Z
SUMMARY:Unsere Klasse
DTSTART:20260707T180000Z
DTEND:20260707T180000Z
END:VEVENT
END:VCALENDAR