"Calendar glitch hai," the third user commented on Instagram. "By 1582, the Julian calendar, with a Leap Day every four years, had accumulated TEN extra days relative to Earth's orbit.

In 1582, Pope Gregory XIII introduced the Gregorian calendar. Prior to this, most of the Roman world and Europe had used the Julian calendar, introduced by Julius Caesar in 45 BCE.

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 calendar had 10 days missing, which shocked everyone. While everything appears to be in order in the calendar, the only catch is that the date October 4 is preceded by October 15 in the year 1582.

In 1582 it corrected the Julian calendar, shortening the average year by 0.0075 days to stop the drift with respect to the equinoxes. In 1582, Thursday, October 4 was followed by Friday, October 15.

END OF THE WORLD fears have resurged after online users wildly claimed the Julian calendar, which was used until the 1500s, would place Earth in the year 2012, not 2020, potentially meaning the ...

The Julian calendar that the church (and large swaths of the world) used at the time measured a year as 365 days and 6 hours long. That’s close, but not quite right. The average length of a year ...

No action was taken, however, with the Julian calendar continuing to be used until 1562-63. The Council of Trent passed a decree calling for the pope to fix the calendar – but it took another ...