Linked from

The 91 pages that link to Gregorian calendar, each with the reason it gives.

• Japanese calendarRelated: It supplies Japan’s current civil year, month, and date.

• Tropical yearRelated: Its average year closely approximates the tropical year.

• EquinoxRelated: Its leap-year rules keep calendar dates aligned with the seasonal year and equinoxes.

• Anno DominiRelated: It is the calendar most commonly paired with Anno Domini year numbers today.

• ISO 8601Related: ISO 8601 date forms commonly express dates in this calendar.

• EasterRelated: Most Western churches calculate Easter using this calendar’s solar dates.

• SolsticeRelated: Its leap-year rules keep calendar dates near the solstices aligned with the seasons.

• Common EraRelated: Common Era labels are commonly applied to dates in this calendar.

• QuadriviumRelated: Calendar reform depended on astronomical measurements and calculations cultivated in the quadrivium.

• Solar yearRelated: Its leap-year corrections more closely approximate the seasonal year's duration.

• Dionysius ExiguusRelated: The Gregorian reform retained the Anno Domini era while changing calendar rules.

• June solsticeRelated: Its leap-year rules keep June solstice dates near the same calendar days.

• March equinoxRelated: Its leap-year rules keep calendar dates aligned with the seasonal year.

• December solsticeRelated: Its leap-year rules keep December dates near the solstice despite the year's fractional length.

• MonthRelated: Its twelve named months have the familiar lengths from 28 to 31 days.

• September equinoxRelated: Its leap-year rules keep the September equinox near the same calendar dates.

• Seven-day weekRelated: Its worldwide adoption helped standardize the seven-day cycle in civil life.

• DayRelated: Its date changes at civil midnight, establishing the ordinary calendar day.

• WeekRelated: It retains the seven-day week despite correcting the calendar's date alignment.

• Winter solsticeRelated: Its leap-year rules keep solstice dates from drifting substantially through the calendar.

• BirthdayRelated: Most modern birthday dates are counted within this calendar system.

• Japanese New YearRelated: Its adoption fixed Japanese New Year on January 1 rather than the old lunar date.

• MondayRelated: Gregorian dates identify Monday as a recurring weekday without making it the calendar’s first day.

• SaturdayRelated: It supplies the civil calendar in which Saturday appears as a recurring weekday.

• Days of the weekRelated: Its date rules determine which weekday each Gregorian calendar date receives.

• 18th centuryRelated: Its numbering makes this century span 1701 through 1800, not 1700 through 1799.

• Astronomical year numberingRelated: Astronomical year numbers can label Gregorian dates without changing the calendar’s months or days.

• FridayRelated: Its civil dates are organized into recurring weeks that include Friday.

• 2020sRelated: Its year numbering and calendar dates define the 2020s’ exact boundaries.

• Day (time unit)Related: Its dates rely on civil days as the basic units of calendar reckoning.

• Holocene calendarRelated: The proposal preserves its dates and adds 10,000 years.

• Juche calendarRelated: North Korean dates retain Gregorian months and days alongside Juche year numbers.

• New YearRelated: Its year begins on January 1, the date associated with this observance.

• Phantom time conspiracy theoryRelated: Illig connects calendar reform to his claim that chronology contains an artificial gap.