BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
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TZID:Europe/Berlin
BEGIN:DAYLIGHT
DTSTART:20240331T010000
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
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BEGIN:STANDARD
DTSTART:20241027T030000
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
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BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20230822T184620
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
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END:VTIMEZONE
BEGIN:VEVENT
UID:mzs.at@go-90-2000-923
DTSTAMP:20240518T184620Z
SUMMARY:GO 90-2000 
LOCATION:Am Messezentrum 1\, 5020
DTSTART;TZID=Europe/Berlin:20240921T000000
DTEND;TZID=Europe/Berlin:20240922T000000
END:VEVENT
END:VCALENDAR