Linked from

The 45 pages that link to Julian calendar, each with the reason it gives.

• EquinoxRelated: Its year was slightly too long, causing seasonal dates and equinoxes to drift.

• IntercalationRelated: It replaced irregular Roman adjustments with a predictable intercalation cycle.

• Anno DominiRelated: Anno Domini year numbers first circulated in a Julian calendar context.

• Bulgarian Orthodox ChurchRelated: The church uses the Julian calendar for determining movable feast dates.

• Solar yearRelated: Its average year slightly exceeded the seasonal year, shifting calendar dates over centuries.

• Dionysius ExiguusRelated: Dionysius’s tables operated within the Julian calendar rather than replacing its structure.

• Ab Urbe ConditaRelated: Its adoption changed Roman calendar structure, but did not make AUC the everyday dating system.

• December solsticeRelated: Its year was slightly too long, causing calendar dates of solstices to drift over centuries.

• EpiphanyRelated: Churches using the Julian calendar observe January 6 on a different date in the civil Gregorian calendar.

• JanuaryRelated: It preceded the Gregorian calendar and preserved January as the year’s first month.

• MonthRelated: It supplied the month structure later revised by the Gregorian calendar.

• Seven-day weekRelated: The Roman calendar reform retained the week while restructuring months and years.

• Old BelieversRelated: Calendar differences shape the dates of feasts in Old Believer communities.

• BirthdayRelated: Its regular year structure made annual birth anniversaries easier to align.

• FebruaryRelated: The Gregorian calendar retained February’s leap day while refining the Julian rule.

• Astronomical year numberingRelated: Astronomical year numbering also labels Julian dates, independently of which calendar’s rules apply.

• AprilRelated: April retained its 30 days under the calendar that preceded the Gregorian system.

• DecemberRelated: It retained December as the final month before the Gregorian reform.

• JulyRelated: Its reform established the calendar system from which July’s place derives.

• Ante Christum natumRelated: Ancient dates expressed with this phrase are often reconstructed using the Julian calendar.

• Era of the MartyrsRelated: The Coptic calendar inherits its month structure and leap-year rhythm from this calendar.

• New YearRelated: It carried the January 1 year boundary into the calendar later revised by Gregory XIII.

• Phantom time conspiracy theoryRelated: The hypothesis disputes how calendar dates align with elapsed astronomical time.