We've used leap years for over 2,000 years so our calendars are more in sync with the Earth’s rotation around the Sun. What is a leap year? Generally we define a year as 365 days, but a full ...

they technically only have a birthday every four years on the actual leap day. Those leapers don’t get a birthday this year. Wondering what exactly is a leap day or leap year? Here's what to know.

February 29 only comes around every four years - do you know the Irish history and traditions of Leap Day? Ireland's folklore is full of wonderful, funny, strange, but sometimes outdated ...

Here are 29 things to know about this special day. 1 February 29 is known as a leap day, and it occurs every four years in what is known as a leap year. This extra day is needed to “play catch ...

Leap years help to keep the 12-month calendar matched up with Earth’s movement around the Sun. After four years, those leftover hours add up to a whole day. In a leap year, we add this extra day ...