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 20th Monday of the year\, forever: DTSTAMP:20040102T053656Z DTSTART;TZID=US-Eastern:19970519T090000 RRULE:FREQ=YEARLY;BYDAY=20MO SUMMARY:RExample24 UID:RExample24 END:VEVENT END:VCALENDAR