They must be divisible by 400 to be leap years—so, 2000 and 2400 are leap years, but 2100 will not be one. As a bonus, U.S. leap years almost always coincide with election years. Leap Year facts ...

Did you realize that 2024 had an extra day? That's because 2024 was a Leap Year, meaning it had 366 days instead of the usual 365. And, Leap Day babies were finally able to enjoy a real birthday ...

Surrounded in history and superstition, February 29 only comes once every four years— and we have one Monday. Here are a few facts about leap day. Bachelor’s Day In Ireland, February 29 is ...