BEGIN:VCALENDAR
PRODID:-//eluceo/ical//2.0/EN
VERSION:2.0
CALSCALE:GREGORIAN
BEGIN:VEVENT
UID:event-394
DTSTAMP:20260520T011340Z
SUMMARY:Hamburgers at TG drinks
DESCRIPTION:Today the TG-drinks will be at het Lab\, starting at 16.30. You
  can order your delicious hamburger from "De Ark Grillburgers" here and it
  will arrive around 18.00.
DTSTART:20190404T143000Z
DTEND:20190404T173000Z
LOCATION:Bar het Lab
END:VEVENT
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20190404T143000
TZNAME:UTC
TZOFFSETTO:+0000
TZOFFSETFROM:+0000
END:STANDARD
END:VTIMEZONE
END:VCALENDAR