NEW YORK (AP) — 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) ...

Once every four years, our 365-day rotation around the sun becomes 366. 2024 is a leap year, meaning we will add one day to the end of February and therefore extend the year by one. Since leap year ...

Every four years, we add one day to our 365-day calendar to account for the timing of our not-so-exact trip around the sun. So why bother with Leap Day at all? Here's what you need to know: One year ...

CINCINNATI (WXIX) - Every four years, an extra day is added to our 365-day calendar for the peculiar unofficial holiday, Leap Day. This year, Leap Day is on Thursday, Feb. 29. But what is it and why ...