2007-01-22, 04:33 PM
Here is another form as well note the -1 MO in other words the last Monday of the month (Memorial Day in May)
BEGIN:VEVENT
DTSTART;VALUE=DATE:20070528
DTEND;VALUE=DATE:20070529
RRULE:FREQ=YEARLY;INTERVAL=1;BYDAY=-1MO;BYMONTH=5
DTSTAMP:20070122T055825Z
ORGANIZER;CN=astro:MAILTO:googlecal@astro.us
UID:26D72051-18CF-4781-A087-FAEC13EAC603
CLASSUBLIC
CREATED:20070115T022738Z
DESCRIPTION:
LAST-MODIFIED:20070115T025047Z
LOCATION:
SEQUENCE:3
STATUS:TENTATIVE
SUMMARY:Memorial Day
TRANSP:OPAQUE
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20070528
DTEND;VALUE=DATE:20070529
RRULE:FREQ=YEARLY;INTERVAL=1;BYDAY=-1MO;BYMONTH=5
DTSTAMP:20070122T055825Z
ORGANIZER;CN=astro:MAILTO:googlecal@astro.us
UID:26D72051-18CF-4781-A087-FAEC13EAC603
CLASSUBLIC
CREATED:20070115T022738Z
DESCRIPTION:
LAST-MODIFIED:20070115T025047Z
LOCATION:
SEQUENCE:3
STATUS:TENTATIVE
SUMMARY:Memorial Day
TRANSP:OPAQUE
END:VEVENT