Module calendrica-ecclesiastical
Ecclesiastical Easter and related holiday calculations.
Ported from "Calendrical Calculations" (4th edition) by Nachum Dershowitz and Edward M. Reingold. Original Lisp code (CALENDRICA 4.0) is Apache 2.0 licensed.
Info:
- Release: 0.1 2026-07-19
Functions
| orthodox_easter (g_year) | Fixed date of Orthodox Easter in Gregorian year `g_year`. |
| easter (g_year) | Fixed date of Easter in Gregorian year `g_year`. |
| pentecost (g_year) | Fixed date of Pentecost in Gregorian year `g_year` (49 days after Easter). |
Functions
- orthodox_easter (g_year)
-
Fixed date of Orthodox Easter in Gregorian year `g_year`.
Parameters:
- g_year number Gregorian year.
Returns:
-
number
Fixed date.
- easter (g_year)
-
Fixed date of Easter in Gregorian year `g_year`.
Parameters:
- g_year number Gregorian year.
Returns:
-
number
Fixed date.
- pentecost (g_year)
-
Fixed date of Pentecost in Gregorian year `g_year` (49 days after Easter).
Parameters:
- g_year number Gregorian year.
Returns:
-
number
Fixed date.