Happy Lunar New Year! According to the Chinese lunisolar calendar, the new year began Saturday. For many, like our host Regina G. Barber, this... The science and shared history behind the Gregorian ...

Our civilization relies on calendars to organize and measure time. Culture, religion, and astronomy have all influenced calendars throughout history. Calendars have a fascinating history, dating back ...

For something that’s meant to lend order to our lives, the modern Western calendar has a messy history. The mess, in part, comes about because of the difficulty of coordinating the orbits of celestial ...

Ever wondered where the word Calendar comes from? Explore the fascinating history of timekeeping, from Ancient Rome’s Kalends ...

Know the fascinating history of New Year's Day. Learn about the Julian and Gregorian calendars, the Roman god Janus, and why ...

Calendars have always been essential in our world — and right now is no different. The Calendar is essential to almost everything we do in life. Every appointment and every meeting has a timeframe ...

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 ...