BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20250909T161649
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6a2447f174b03
DTSTAMP:20260606T161649Z
SUMMARY:Das Lehrerzimmer
DTSTART:20260628T130000Z
DTEND:20260628T130000Z
END:VEVENT
END:VCALENDAR