Leap years were first introduced with the Julian calendar in 46 BC by Julius Caesar, who added an extra day to February every four years, based on the work of the astronomer Sosigenes, to account for ...

An Aztec calendar. | Ewing Galloway/GettyImages The Aztec civilization created two calendars to guide their world. One was a 365-day solar calendar; the other was a ritual calendar that contained ...

YouTuber Kuldeep Singhania has stirred intense online discussion with a series of viral videos. In one of them, he draws an ...

A YouTuber has created an online furore with a viral video making a spooky parallel: the 2025 calendar is identical to 1941. Yes – same weekdays and weekends, same dates.

The four months specifically designated as sacred months are the last four months of Hijrah calendar. They are Ramadan, ...

Ancient Roman Calendar Today, most of the West uses the Gregorian calendar, which has its roots in two earlier calendar systems: the Julian calendar and the Roman calendar. The Roman calendar was ...

AFTER the present year there will be no leap-year, at any rate, in the many countries which now observe the Gregorian style, until 1904; in other words 1900, which would, by the Julian rule, have ...