We'll have an extra day on the calendar this February, but don't get used to it. Here's when the next leap year is, and when ...
Why do we have a leap years? Leap years account for the inaccurate measure of time on the 365-day calendar. Technically it takes 365.242190 days for the Earth to orbit the Sun, according to the ...
Every four years, an extra day is added to the calendar, But even with leap day, the math doesn't exactly, well, math.