When is the next leap year? Here are some fascinating leap year facts, along with all the details about why leap day always falls on Feb. 29.

As Iranians celebrate the Persian New Year, explore the fascinating calendars still used around the world—shaped by sun, moon ...

Generally, every year that's evenly divisible ... To correct this, Pope Gregory XIII established the Gregorian calendar system in 1582, which removed Leap Days from most years ending in 00 to ...

In a leap year, we add this extra day to the month ... it was known as the Gregorian calendar. If the calendar didn’t make that small correction every four years, it would gradually fall out ...

The Gregorian Calendar is designed to sync with the Earth ... According to the Honor Society of Leap Year Day Babies, the chances of being born on a leap day is about 1 in 1,500.

February is packed with interesting observances, but one that stands out is Leap Day—and the Leap Year that makes it possible! If you’re wondering “When is the next leap year?” or curious ...