Leap Days and corresponding leap years only come around every so often. Is 2026 the year?

You may have noticed that this year is not a leap year, meaning February has the regular 28 days. There’s a very important ...

Nearly every four years an extra day has to be added to the calendar year otherwise it would get out of sync with the Earth’s orbit around the Sun.

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 ...

Who knew that leap seconds were even a thing?

Feb. 29 is a date that happens only once every four years, but what are leap years? Why do we need them? And how did they come about? Leap years are years with 366 calendar days instead of the normal ...

The Instagram post, which is one of several with the same claim that have popped up online, says that February is a type of calendar occurrence that happens once every 823 years.

As we navigate through the first week of the new year many people are beginning to work on their New Year's resolutions, settling back into work and school mode, and gearing up for 2024, all 366 days ...

If you’ve turned the calendar already to take a peek at February, you may have noticed there’s a day you don’t normally see — Feb. 29. That’s because almost every four years, we declare a leap year, ...

If you’re a little confused in looking at the calendar, it’s no mistake that February has 29 days this year. It’s leap year, and every four years February has an extra day — even with an extra day, it ...

Once every four years, our 365-day rotation around the sun becomes 366. 2024 is a leap year, meaning we will add one day to the end of February and therefore extend the year by one. Since leap year ...