Leap year. It’s a delight for the calendar and math nerds among us. So how did it all begin and why? Have a look at some of the numbers, history and lore behind the (not quite) every four year phenom ...

Thursday, February 29, is Leap Day, a quadrennial event that dates back 2,000 years to its introduction by Julius Caesar. The extra day known as Leap Day is added as the last day on February 29, which ...

There are only 24 hours in a day, and only 365 days in a year, it's often said. But every four years, that changes. This year is a leap year, which means we have 366 days in 2024. Here's what you need ...

How many days are there in a year? The answer is 365, right? That number is actually rounded down slightly from 365.24. That quarter adds up to a full day every four years, which we observe as a leap ...

On this day in 45 BC, the Julian calendar instituted by the first Roman emperor, Julius Caesar, officially took effect with January 1st marking the beginning of the year in ancient Rome and, ...