366 Days synonyms
A year in the Gregorian calendar having 366 days, with the extra day, February 29, intercalated to compensate for the quarter-day difference between an ordinary year and the astronomical year.
in the Gregorian calendar: any year divisible by 4 except centenary years divisible by 400
A year with an extra day, a leap year
Find another word for 366 days. In this page you can discover 3 synonyms, antonyms, idiomatic expressions, and related words for 366 days, like: leap-year, intercalary year and bissextile-year.