BEGIN:VCALENDAR
PRODID:-//www.billingshabitat.org//EN
CALSCALE:GREGORIAN
VERSION:2.0
METHOD:PUBLISH
BEGIN:VEVENT
DTSTART;TZID=US-Mountain:20101225T000000
DTEND;TZID=US-Mountain:20101226T000000
URL:http://www.billingshabitat.org/events/event-calendar/christmas-day/
SUMMARY;CHARSET=UTF-8:Christmas Day
END:VEVENT
END:VCALENDAR