What is a leap year, and when is the next one? Find out if 2026 is a leap year, how they are calculated, and why we use them.

When is the next Leap Year? A Leap Year consists of 366 days – not 365 – where February 29 is added as an extra day at the end of February.

A leap year has 366 days, as opposed to a common year, which has 365. Nearly every four years is a Leap Year, and we add a leap day, an extra day on February 29.

Mar 1, 2016 · Leap year day on February 29 occurs nearly every four years. However, leap day babies, (leaplings, leapers, or leapsters) still get to celebrate their birthday in common years.

Eleven months have either 30 or 31 days, while the second month, February, has only 28 days during the common year. However, almost every four years a leap year occurs, during which an extra day— …

A common year in the Julian calendar has 365 days divided into 12 months. In the Julian calendar, every four years is a leap year, with a leap day added to the month of February.

In the year 46 BCE, Julius Caesar introduced a new calendar system—the Julian calendar. He abolished the Intercalaris and instead introduced what would become the leap year, where every …

A common year in the Gregorian calendar has 365 days divided into 12 months with only 28 days in February. Nearly every 4 years is a Leap Year with 366 days and 29 days in February.

Leap Day, on February 29, has been a day of traditions, folklore and superstitions ever since Leap Years were first introduced by Julius Caesar over 2000 years ago.

The Chinese Leap Year occurs every three years, has 13 months instead of 12, and is based on the number of New Moons instead of the tropical year.