Module:Easter/doc

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Module to calculate Easter dates and dates relative to Easter.

`Calculate`

Function to calculate Easter date or date of the event related to Easter.

arguments

Field	Purpose	Example argument
1	Year	`2025` or `1882`
method	Calculation method of the Easter date: `Julian` original calculation for Julian calendar `Eastern` or `Orthodox` original calculation for Julian calendar converted to Gregorian calendar `Western` or `Roman` or `Gregorian` revised calculation for Gregorian calendar. This is default method if not given.	`Eastern` to calculate Easter date in the Orthodox rite.
day	Name of the event related to Easter date or integer number of days before (negative) or after (positive) Easter Sunday. The following days are available by name: `Septuagesima` 63 days before Easter - this is the earliest date returned by the funtion `Sexagesima` 56 days before Easter `Fat Thursday` 52 days before Easter `Quinquagesima` 49 days before Easter `Shrove Monday` 48 days before Easter `Shrove Tuesday` 47 days before Easter `Ash Wednesday` 46 days before Easter `Palm Sunday` 7 days before Easter `Maundy Thursday` 3 days before Easter `Good Friday` 2 days before Easter `Holy Saturday` 1 day before Easter `Easter` 0 - neither before nor after - this is default value if not given `Easter Monday` 1 day after Easter `Ascension Thursday` 39 days after Easter `Pentecost` 49 day after Easter `Corpus Christi` 60 day after Easter	`49 or interchangeably Pentecost`
format	Describes date format in the final output, which is the same as used in #time parser function. Default format is `Y-m-d`. There is a special value `none` that prevents from final date formatting.	`j xd`

examples

{{#invoke:Easter|Calculate|{{CURRENTYEAR}}}}: 2025-04-20
{{#invoke:Easter|Calculate|{{CURRENTYEAR}}|method=Eastern}}: 2025-04-20
{{#invoke:Easter|Calculate|{{CURRENTYEAR}}|format=[[j xg]]}}: 20 April
{{#invoke:Easter|Calculate|{{CURRENTYEAR}}|method=Eastern|format=[[j xg]]}}: 20 April
{{#invoke:Easter|Calculate|{{CURRENTYEAR}}|day=Ash Wednesday}}: 2025-03-05
{{#invoke:Easter|Calculate|{{CURRENTYEAR}}|method=Eastern|day=Ash Wednesday}}: 2025-03-05
{{#invoke:Easter|Calculate|{{CURRENTYEAR}}|format=[[j xg]] (l)|day=Ash Wednesday}}: 5 March (Wednesday)
{{#invoke:Easter|Calculate|{{CURRENTYEAR}}|method=Eastern|format=[[j xg]] (l)|day=Ash Wednesday}}: 5 March (Wednesday)