Gregorian calendar (Western churches)

E4645
calendar system civil calendar solar calendar

The Gregorian calendar (Western churches) is the internationally used solar dating system introduced in 1582 that most Western Christian churches follow for determining liturgical dates and feasts.

Jump to: Surface forms Statements Referenced by

Observed surface forms (9)

Surface form Occurrences
Gregorian calendar 71
Gregorian calendar reform 4
Gregorian 1

Statements (40)

Predicate Object
instanceOf calendar system ⓘ
civil calendar ⓘ
solar calendar ⓘ
adoptedAsStandardBy most countries of the world ⓘ
adoptedGraduallyBy Europe ⓘ
surface form: European states
aligns feast of Christmas with December 25 in civil calendar ⓘ
basedOn tropical year ⓘ
contrastedWith Julian calendar ⓘ
surface form: Julian calendar (Eastern churches)

Revised Julian calendar ⓘ
corrects drift of the date of the vernal equinox ⓘ
follows solar year ⓘ
governs cycle of movable feasts in Western churches ⓘ
hasAverageYearLength 365.2425 days ⓘ
hasCalendarType proleptic extension for earlier dates ⓘ
hasDayCountCommonYear 365 ⓘ
hasDayCountLeapYear 366 ⓘ
hasDesignGoal keep vernal equinox near March 21 ⓘ
hasEpoch Anno Domini era ⓘ
hasMonthCount 12 ⓘ
hasType reform of the Julian calendar ⓘ
hasWeekLength 7 days ⓘ
implementedBy papal bull Inter gravissimas ⓘ
influences secular holidays in Western countries ⓘ
introducedBy Pope Gregory XIII ⓘ
introducedInYear 1582 ⓘ
moreAccurateThan Julian calendar ⓘ
recognizedAs de facto international standard calendar ⓘ
replaced Julian calendar ⓘ
usedBy Roman Catholicism ⓘ
surface form: Roman Catholic Church

Western Christianity ⓘ
surface form: Western Christian churches

most Protestant churches ⓘ
usedFor civil date reckoning worldwide ⓘ
dating Easter in Western churches ⓘ
dating Western Christian liturgical calendar ⓘ
determining Christian feasts ⓘ
determining liturgical dates ⓘ
usedIn Western liturgical books ⓘ
usedToCompute date of Easter in Western Christianity ⓘ
usesLeapYearException century years are not leap years unless divisible by 400 ⓘ
usesLeapYearRule every 4th year is a leap year ⓘ

Referenced by (83)

Full triples — surface form annotated when it differs from this entity's canonical label.

French Republican Calendar → replacedBy → Gregorian calendar (Western churches) ⓘ
this entity surface form: Gregorian calendar
Julian calendar → replacedBy → Gregorian calendar (Western churches) ⓘ
this entity surface form: Gregorian calendar
papal bull Inter gravissimas → resultedIn → Gregorian calendar (Western churches) ⓘ
subject surface form: Inter gravissimas
this entity surface form: Gregorian calendar
Revised Julian calendar → similarAccuracyTo → Gregorian calendar (Western churches) ⓘ
this entity surface form: Gregorian calendar
East Florida → usedCalendar → Gregorian calendar (Western churches) ⓘ
this entity surface form: Gregorian calendar
Kingdom of Italy → usedCalendar → Gregorian calendar (Western churches) ⓘ
subject surface form: Kingdom of Italy (Napoleonic)
this entity surface form: Gregorian calendar
Korean Empire → usedCalendar → Gregorian calendar (Western churches) ⓘ
this entity surface form: Gregorian calendar
Republic of Vietnam → usedCalendar → Gregorian calendar (Western churches) ⓘ
this entity surface form: Gregorian calendar
April → usedIn → Gregorian calendar (Western churches) ⓘ
this entity surface form: Gregorian calendar
Common Era → usedInCalendar → Gregorian calendar (Western churches) ⓘ
this entity surface form: Gregorian calendar
November → usedInCalendar → Gregorian calendar (Western churches) ⓘ
this entity surface form: Gregorian calendar
Bulgarian Greek Catholic Church → usesCalendar → Gregorian calendar (Western churches) ⓘ
this entity surface form: Gregorian calendar
Chaldean Catholic Church → usesCalendar → Gregorian calendar (Western churches) ⓘ
this entity surface form: Gregorian calendar (for liturgical feasts in many dioceses)
Conseil administratif de Genève → usesCalendar → Gregorian calendar (Western churches) ⓘ
this entity surface form: Gregorian calendar
Diocese of Carabayllo → usesCalendar → Gregorian calendar (Western churches) ⓘ
this entity surface form: Gregorian calendar
Diocese of Guildford → usesCalendar → Gregorian calendar (Western churches) ⓘ
this entity surface form: Gregorian calendar
Diocese of Trento → usesCalendar → Gregorian calendar (Western churches) ⓘ
this entity surface form: Gregorian calendar
Diocese of Truro → usesCalendar → Gregorian calendar (Western churches) ⓘ
this entity surface form: Gregorian calendar
Diocese of Turku → usesCalendar → Gregorian calendar (Western churches) ⓘ
this entity surface form: Gregorian calendar
Eastern Christianity → usesCalendar → Gregorian calendar (Western churches) ⓘ
this entity surface form: Gregorian calendar
Evangelical Church in the Rhineland → usesCalendar → Gregorian calendar (Western churches) ⓘ
this entity surface form: Gregorian calendar
Evangelical Lutheran Church in Oldenburg → usesCalendar → Gregorian calendar (Western churches) ⓘ
this entity surface form: Gregorian calendar
ISO 8601 → usesCalendar → Gregorian calendar (Western churches) ⓘ
this entity surface form: Gregorian calendar
Israeli civil calendar → usesCalendar → Gregorian calendar (Western churches) ⓘ
this entity surface form: Gregorian calendar
Myanmar → usesCalendar → Gregorian calendar (Western churches) ⓘ
this entity surface form: Gregorian calendar
New Year’s Day → usesCalendar → Gregorian calendar (Western churches) ⓘ
this entity surface form: Gregorian calendar
Roman Catholic Archdiocese of Buenos Aires → usesCalendar → Gregorian calendar (Western churches) ⓘ
this entity surface form: Gregorian calendar
Roman Catholic Diocese of Hildesheim → usesCalendar → Gregorian calendar (Western churches) ⓘ
this entity surface form: Gregorian calendar
Ruthenian Greek Catholic Church → usesCalendar → Gregorian calendar (Western churches) ⓘ
this entity surface form: Gregorian calendar
Syriac Catholic Church → usesCalendar → Gregorian calendar (Western churches) ⓘ
this entity surface form: Gregorian calendar (with some traditional usages)
Western Christianity → usesCalendar → Gregorian calendar (Western churches) ⓘ
this entity surface form: Gregorian calendar
Dragon King → usesCalendarForReign → Gregorian calendar (Western churches) ⓘ
this entity surface form: Gregorian calendar
Belmont Select Board → usesCalendarSystem → Gregorian calendar (Western churches) ⓘ
this entity surface form: Gregorian calendar