gregorian calendar
Noun: - The solar calendar now in general use: The Gregorian calendar is the internationally accepted civil calendar system. It was introduced to reform the Julian calendar by correcting its inaccuracies in calculating the solar year. - A specific historical reform: It refers to the calendar adjustment decreed by Pope Gregory XIII in 1582, which involved skipping days to realign the calendar with the equinox and modifying leap year rules.
- Noun:
- Most countries use the Gregorian calendar for civil purposes.
- The transition from the Julian to the Gregorian calendar caused October 5th to become October 15th in 1582.
"Adoption of the Gregorian calendar": Refers to the historical process by which different countries implemented this calendar reform.
- The adoption of the Gregorian calendar occurred at different times across Europe.
"Gregorian calendar system": Emphasizes the structural and rule-based nature of the calendar.
- The Gregorian calendar system is more accurate than its predecessor.
Gregorian (adj): Pertaining to Pope Gregory XIII or the calendar he introduced.
- The Gregorian reform was a significant scientific achievement.
Calendar (n): A system for organizing days for social, religious, commercial, or administrative purposes.
- Julian calendar (n): The solar calendar that was in use before the Gregorian reform.
- New Style calendar: A term historically used in contrast to the "Old Style" (Julian) calendar.
- Western calendar: A common informal reference, though it is now the global standard.
"Leap year rule": A key provision of the Gregorian calendar where a centenary year is a leap year only if divisible by 400.
- According to the Gregorian calendar leap year rule, the year 2000 was a leap year, but 1900 was not.
"Date of adoption": A phrase used when discussing when a specific region switched to using this calendar.
- Great Britain's date of adoption of the Gregorian calendar was 1752.
- the solar calendar now in general use, introduced by Gregory XIII in 1582 to correct an error in the Julian calendar by suppressing 10 days, making Oct 5 be called Oct 15, and providing that only centenary years divisible by 400 should be leap years; it was adopted by Great Britain and the American colonies in 1752