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

The calendar many Christians follow is the Gregorian Calendar, introduced by Pope Gregory the 13th in 1582. The Julian Calendar, on the other hand, found its roots over 1500 years prior ...

Some key things to know about the Gregorian calendar: Pope Gregory XIII (born Ugo Boncompagni in 1502) who introduced the “Gregorian” calendar in 1582. Until then, the Julian calendar had been ...

The calendar you're used to hasn't been around forever. For example, people in 5 BCE weren't standing around wondering who this "Christ" bloke was who they were all counting down towards.

Secularly today, we used the Gregorian calendar introduced in 1582 by Pope Gregory XIII. This is a solar calendar, where one solar year is measured by one rotation of the Sun by Earth and is ...

For Catholics and a large proportion of Protestants, followers of the Gregorian calendar (introduced in 1582 by Pope Grégoire XIII), the 2024 celebrations will take place on Thursday, May 9.