BEGIN:VCALENDAR
CALSCALE:GREGORIAN
METHOD:PUBLISH
PRODID:-//Cyrusoft International\, Inc.//Mulberry v4.0//EN
VERSION:2.0
X-LibKCal-Testsuite-OutTZ:America/New_York
BEGIN:VTIMEZONE
LAST-MODIFIED:20040110T032845Z
TZID:US-Eastern
BEGIN:DAYLIGHT
DTSTART:19900404T010000
RRULE:FREQ=YEARLY;BYDAY=1SU;BYMONTH=4
TZNAME:EDT
TZOFFSETFROM:-0500
TZOFFSETTO:-0400
END:DAYLIGHT
BEGIN:STANDARD
DTSTART:19901026T060000
RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=10
TZNAME:EST
TZOFFSETFROM:-0400
TZOFFSETTO:-0500
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
DESCRIPTION:Every 20 minutes from 9:00 AM to 4:40 PM every day:
DTSTAMP:20040102T053656Z
DTSTART;TZID=US-Eastern:19970902T090000
RRULE:FREQ=DAILY;BYMINUTE=0,20,40;BYHOUR=9,10,11,12,13,14,15,16
SUMMARY:RExample36a
UID:RExample36a
END:VEVENT
END:VCALENDAR