BEGIN:VCALENDAR
VERSION:2.0
CALSCALE:GREGORIAN
BEGIN:VEVENT
SUMMARY:9.00-11.0h Self-practice
DTSTART;TZID=Europe/Amsterdam:20231221T090000
DTEND;TZID=Europe/Amsterdam:20231221T110000
LOCATION:Bhumi Yoga
DESCRIPTION: Today it's self-practice. No teacher is present to assist you. 
All membership and class card holders can join.

Make sure to sign in by 18.00h the evening prior to class. If enough people sign in, practice goes through.
STATUS:CONFIRMED
SEQUENCE:0
END:VEVENT
END:VCALENDAR