A lot of annoying little hacks are needed to keep our integer-based calendar in sync with a floating-point universe, and the big one, leap day, passed us by this week. Aside from the ignominy of a ...

Need a break? Play the USA TODAY Daily Crossword Puzzle. Generally, every year that's evenly divisible by four contains a Leap Day — 2020, 2024, 2028 and so on. However, Leap Day is skipped in ...

Leap day, February 29, comes around every four years and was first introduced by Julius Caesar over 2,000 years ago. It is a day filled with folklore, superstitions and traditions, old and new.