366 — synonyms, definition

1. 366 (Noun)

3 synonyms
bissextile year intercalary year leap year
1 definition

366 (Noun) — In the Gregorian calendar, a year with 366 days including 29th February; usually any year divisible by 4 is a leap year, with the exception that centenary years are not leap years unless divisible by 400.

3 types of
twelvemonth year yr