BEGIN:VCALENDAR
PRODID:-//www.cbt.org.nz//EN
VERSION:2.0
METHOD:PUBLISH
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20191017T
DTEND;TZID=America/New_York:20190318T
URL:http://www.cbt.org.nz/events/calendar/
SUMMARY:2019 Conference 
END:VEVENT
END:VCALENDAR