BEGIN:VCALENDAR
VERSION:2.0
PRODID:PHP
BEGIN:VEVENT
DTSTART;TZID=Europe/Vienna:20250928T100000
DTEND;TZID=Europe/Vienna:20250928T110000
SUMMARY:Budenputztag (NBL)
LOCATION:(c.t c.f sin.col. off.) 
URL:https://www.nbl.at
SEQUENCE:0
DTSTAMP:20260718T032438
END:VEVENT
END:VCALENDAR