BEGIN:VCALENDAR
VERSION:2.0
CALSCALE:GREGORIAN
BEGIN:VEVENT
SUMMARY:(evt extra les / tropenrooster)
DTSTART;TZID=Europe/Amsterdam:20250702T060000
DTEND;TZID=Europe/Amsterdam:20250702T070000
LOCATION:
DESCRIPTION: 
STATUS:CONFIRMED
SEQUENCE:0
END:VEVENT
END:VCALENDAR