BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Boston Critical Mass//NONSGML//EN
X-WR-CALNAME:Boston Critical Mass
CALSCALE:GREGORIAN
METHOD:PUBLISH

X-WR-TIMEZONE:America/New_York
BEGIN:VTIMEZONE
TZID:America/New_York
BEGIN:STANDARD
TZOFFSETFROM:-0400
TZOFFSETTO:-0400
DTSTART:20100614T042600
END:STANDARD
END:VTIMEZONE

BEGIN:VEVENT
DTSTART;TZID=America/New_York:20100625T173000
DTEND;TZID=America/New_York:20100625T213000
RRULE:FREQ=MONTHLY;BYDAY=-1FR;WKST=SU
DTSTAMP:20100614T042301Z
CREATED:20100614T042159Z
DESCRIPTION:
LAST-MODIFIED:20100614T042230Z
LOCATION:Copley Square\, Boston\, MA
SEQUENCE:0
STATUS:CONFIRMED
SUMMARY:Boston Critical Mass
TRANSP:OPAQUE
END:VEVENT
END:VCALENDAR