Around 46 BC, Roman emperor Julius Caesar proposed a solution: the Julian calendar. This new 12-month calendar would always consist of 365 days except every fourth year when an additional day was ...

So to account for that residual quarter of a day, an extra day — a leap day — was added to the calendar every four years. This new "Julian" calendar was used throughout the Roman Empire and by ...

Cultures throughout history have come up with their own unique ways to track the days, months, and seasons.

But, as Konstantin Bikos, the lead editor at timeanddate.com shared, "The Julian calendar was just not accurate enough. It had a Leap Day every four years, so over the centuries, it slowly drifted ...

The Gregorian and Julian calendars are both 12-month solar calendars based on the time it takes the Earth to complete one revolution around the Sun – a bit more than 365 days. Other types of ...

The Synod of the Orthodox Church of Ukraine has approved switching to the new Julian calendar from Sept. 1. It means the Church will celebrate Christmas on Dec. 25 instead of Jan. 7. Other ...