christian: Christian Ecclesiastical Holidays

In calcal: Calendrical Calculations

Christian Ecclesiastical Holidays

Description

Functions to return Gregorian dates for various Christian ecclesiastical holidays and other special days

Coptic Christmas is celebrated on 29th of Koiak in the Coptic calendar, which currently corresponds to 7 or 8 January in the Gregorian calendar.

Usage

advent(year)

christmas(year)

orthodox_christmas(year)

epiphany(year)

easter(year)

orthodox_easter(year)

pentecost(year)

coptic_christmas(year)

astronomical_easter(year)

Arguments

year	Gregorian year

Value

A vector of dates on the Gregorian calendar

Examples

tibble::tibble(
  year = 2025:2030,
  advent = advent(year),
  christmas = christmas(year),
  orthodox_christmas = orthodox_christmas(year),
  epiphany = epiphany(year),
  easter = easter(year),
  orthodox_easter = orthodox_easter(year),
  pentecost = pentecost(year)
)

calcal documentation built on Feb. 25, 2026, 9:07 a.m.