Liturgical Calendar API (LitCal)
Generates the General Roman Calendar for any year from 1970 to 9999.
- Free
- No key
- Open source
Description
Calculates movable feasts and applies the precedence rules between solemnities, feasts and memorials, for national and diocesan calendars as well as the universal one. Also exposes a standalone endpoint for the date of Easter from 1583 onward. Output is available in several localisations and formats, which makes it a good fit when you need more than English.
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