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 ...

The rare date Feb. 29 is coming up − and though it only crops up every four years, it is indeed real. But what about Feb. 30 or March 32? Sorry, folks. Those are ...

2024 is a leap year, which means that this February will have an extra day tacked onto the end. But why February? Why not put Leap Day at the beginning of the year, say Jan. 0, or at the end, Dec. 32?

Lunar New Year began Saturday February 10. But have you ever stopped to wonder why it's celebrated at this time or where the current Chinese calendar comes from? Space historian Osnat Katz Moon says ...

Feb. 29 comes only once every four years (most of the time), but why do we need leap years and how did they come about? When you purchase through links on our site, we may earn an affiliate commission ...

Could you imagine watching the ball in Times Square drop around March? You might have been, had much of the Western world not adopted the modern calendar that begins each year on Jan. 1. The oldest ...