It didn’t work out. France switched back to the Gregorian calendar 12 years later. The Soviet Union tried its hand at a new calendar in 1929. The state shrunk the week to five days in a dual effort to ...

The Gregorian calendar has 12 months, just like its predecessor, the Julian calendar. The months are January, February, March, April, May, June, July, August, September, October, November, and ...

Asteroid named after pope behind Gregorian calendar reform ROME (AP) — Pope Gregory XIII, the 16th century pontiff responsible for the Gregorian calendar, now has another celestial claim to fame.

Gregorian or English calendar was born after the Julian calendar of Julius Caesar, based upon Greenwich Mean Time (GMT), which is counted from midnight.

However, the Julian calendar was approximately 11 minutes longer than the actual solar year, causing the date of Easter to drift gradually over the centuries. By the time of the Gregorian reform ...

Time is eternal, but methods of tracking it are not -- and so a Johns Hopkins University astronomer wants to replace the Gregorian calendar, with its leap years and floating dates and 15th-century ...

For much of the Western world, Christmas is celebrated on December 25, according to the Gregorian calendar. Yet in a distinction that dates back centuries, Orthodox Christians follow the Julian ...

Tuesday’s Google Doodle celebrates the 434th anniversary of the Gregorian calendar, which was introduced on Oct. 4, 1582, by Pope Gregory XIII. The new calendar, introduced during the ...

ROME (AP) — Pope Gregory XIII, the 16th century pontiff responsible for what is today known as the Gregorian calendar, now has another, celestial claim to fame. A working group of the ...