In 1582, ten days really did vanish from the calendar. To fix centuries of drift caused by the Julian calendar, Pope Gregory ...

If every month were built on a clean, simple pattern, February wouldn’t exist the way it does. A year has about 365.24 days, ...

In honor of Leap Day, this read is for the history nerds. Ever wonder how America caught our calendar up with the rest of the world? In September 1752, we skipped 11 days. According to NASA, the Earth ...

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) ...

The Christmas season isn’t over, at least not for the handful of Orthodox Christian churches that follow the Julian Calendar and are celebrating Christmas on Wednesday with special liturgies, dinners ...