BEGIN:VCALENDAR
PRODID;X-RICAL-TZSOURCE=TZINFO:-//com.denhaven2/NONSGML ri_cal gem//EN
CALSCALE:GREGORIAN
VERSION:2.0
BEGIN:VTIMEZONE
TZID;X-RICAL-TZSOURCE=TZINFO:America/Chicago
BEGIN:DAYLIGHT
DTSTART:20130310T020000
RDATE:20130310T020000
TZOFFSETFROM:-0600
TZOFFSETTO:-0500
TZNAME:CDT
END:DAYLIGHT
END:VTIMEZONE
BEGIN:VEVENT
DTEND;TZID=America/Chicago;VALUE=DATE-TIME:20130527T090000
DTSTART;TZID=America/Chicago;VALUE=DATE-TIME:20130526T090000
DESCRIPTION:Saint Charles Borromeo Parish holds mass every Sunday at 9:00
  a.m.
URL:http://greenfield.patch.com/events/mass-st-charles-borromeo-4
SUMMARY:Mass - St. Charles Borromeo
LOCATION:St Charles Borromeo Parish: 5571 S Marilyn St\, Milwaukee\, WI
END:VEVENT
END:VCALENDAR