BEGIN:VCALENDAR PRODID:-//citadel.org//NONSGML Citadel calendar//EN VERSION:2.0 BEGIN:VTIMEZONE TZID:/citadel.org/20070227_1/America/Cambridge_Bay X-LIC-LOCATION:America/Cambridge_Bay BEGIN:DAYLIGHT TZOFFSETFROM:-0700 TZOFFSETTO:-0600 TZNAME:MDT DTSTART:19700308T020000 RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=2SU END:DAYLIGHT BEGIN:STANDARD TZOFFSETFROM:-0600 TZOFFSETTO:-0700 TZNAME:MST DTSTART:19701101T020000 RRULE:FREQ=YEARLY;BYMONTH=11;BYDAY=1SU END:STANDARD END:VTIMEZONE END:VCALENDAR