The Gregorian calendar was introduced in 1582 primarily to fix errors in the Julian calendar mostly having to do with leap years. In the Julian calendar , named after Julius Caesar, every fourth ...

The idea of leap years dates back to 45 B.C. when the Ancient Roman emperor Julius Caesar instituted the Julian calendar, which was made up of 365 days separated into the 12 months we still use in ...

The current difference between the Julian and Gregorian calendars is 13 days. But the difference will be extended to 14 days in 2100. How Is Orthodox New Year Celebrated?

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 over 11 days.

Despite its accuracy, the Gregorian calendar is not flawless. Instead of being off by one day every 128 years like the Julian calendar, the Gregorian calendar falls short once every 3,030 years ...

But the new Julian calendar that resulted was still flawed. It had a leap day every four years, which turned out to be an overcorrection. The average year now had 365.25 days in it — just a ...

The year 1700 was a leap year by the Julian calendar but not by the Gregorian, and therefore March 1, 1700, Julian, corresponded to March 12, 1700, Gregorian, the difference then amounting to ...

But not everyone was quick to adopt the Gregorian calendar. Sweden even switched back and forth between the Julian and Gregorian calendars, with the resultant mix-ups eventually requiring an extra ...

It’s only 11 minutes different from the Julian calendar. The Gregorian calendar’s predecessor, the Julian calendar, was a solar-based calendar introduced in 46BC during the reign of Julius Caesar.