There's lots of words for leap days... "bachelor's day" and "Sadie Hawkins Day" among them. However, I suspect that the word you're looking for is either "intercalary" or "bissextile" (!) judging by this Wikipedia entry (http://en.wikipedia.org/wiki/Leap_day).
no subject
on 2004-03-01 06:05 am (UTC):-)
no subject
on 2004-03-01 06:25 am (UTC):-)