BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:Europe/Vienna
BEGIN:DAYLIGHT
DTSTART:20220327T030000
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
END:DAYLIGHT
BEGIN:STANDARD
DTSTART:20221030T030000
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
END:STANDARD
END:VTIMEZONE
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20211114T091350
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:mzs.at@bethrifty-kilo-sale-521
DTSTAMP:20220811T091350Z
SUMMARY:BeThrifty - Kilo Sale 
LOCATION:Am Messezentrum 1\, 5020
DTSTART;TZID=Europe/Vienna:20220820T000000
DTEND;TZID=Europe/Vienna:20220822T000000
END:VEVENT
END:VCALENDAR