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 about why we ...

Every four years, an extra day is added to the calendar, But even with leap day, the math doesn't exactly, well, math.

The modern calendar has Roman Catholic roots. As the sun does not adhere exactly to the earthly calendar, leap days are ...

What to know about February and leap year. 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 ...

Every fourth year, those extra quarter-days get added to the calendar to make one full day – February 29. 2 This means every leap year has 366 days! 3 A leap year happens when the year can be ...

Leap day statistics estimate the odds of a Feb. 29 birthday at about 1 in 1,500. The extra 24 hours on Feb. 29 are necessary about every four years — a leap year — to keep the calendar in line ...

February gets a leap year once every four years to keep the calendar in sync with Earth's seasons. Leap years account for the inaccurate measure of time on the 365-day calendar. Technically it ...