BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20250926T174655
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6a3ac68f201eb
DTSTAMP:20260623T174655Z
SUMMARY:Unsere Klasse
DTSTART:20260709T180000Z
DTEND:20260709T180000Z
END:VEVENT
END:VCALENDAR