Happy birthday, leaplings! The next Leap Day is Feb. 29, 2028. If you were born on Leap Day 1928, you’ll be 100 years old or 25 in Leap Day years.

Caesar’s calendar added this intercalary day after Feb. 23 by extending Feb. 24 to 48 hours. Because this double day fell on the sixth day before the start of March, it came to be known as the ...

Is 2026 a leap year? There's something about the randomness of throwing an extra day into a month once every few years that grabs our attention and curiosity. Feb. 29 has all sorts of myths and trivia ...

While there are plenty of things to note in the calendar for 2024, one of the biggest is that this year is a leap year. But what exactly does that mean, how often does it happen and why? A leap year ...

February's unique length on the modern-day calendar is derived from the Romans' alterations and superstitions while they were in power in Italy centuries ago. February has 28 days most years — ...

A year is 365 days long; everyone knows that. Of course, then there are leap years, which have February 29th, so they are 366 days long. But did you know that there are also leap seconds? Leap years ...

It's not every year that you see February 29 on the calendar -- and it's not technically every four years either. Thursday is officially leap day. For some, its birthdate, or a day for special deals ...