Module: yearsignature

Year Signature of Julian, Gregorian and Milesian calendars Each function returns a compound value with the yearly key figures for the Julian, Gregorian of Milesian calendar.
Version:
  • M2021-08-07
Author:
  • Louis A. de Fouquières https://github.com/Louis-Aime
License:
  • MIT 2016-2022
Source:

Requires

  • module:calendrical-javascript/chronos.Cbcce

Methods

(static) gregorianSignature(year) → {signature}

key figures of a year of the Gregorian calendar
Parameters:
Name Type Description
year number Algebraic integer year of Dionysos era.
Source:
Returns:
key figures for the year.
Type
signature

(static) julianSignature(year) → {signature}

key figures of a year of the Julian calendar
Parameters:
Name Type Description
year number Algebraic integer year of Dionysos era.
Source:
Returns:
key figures for the year.
Type
signature

(static) milesianSignature(year) → {signature}

key figures of a year of the Milesian calendar. Mostly Gregorian figures.
Parameters:
Name Type Description
year number Algebraic integer year of Dionysos era.
Source:
Returns:
key figures for the year.
Type
signature

Type Definitions

signature

Structure of the returned object.
Properties:
Name Type Description
doomsday number the index doomsday or "clavedi" for the year, i.e. the index of weekday of "0 March", 21 March and other pivotal dates.
dominicalLetter string the key figure for weekday computations after the Roman method, corresponds to the day of the first Sunday in the year.
gold number year modulo 19, a key figure for Moon and Easter computation, a 0-18 integer.
goldNumber number the Gold Number, i.e. gold + 1.
epact number the age of the moon one day before first day of the year and also one day before 1 March, a 0-29 integer.
easterResidue number the number of days from 21st March to computus next full moon, a 0-29 integer.
easterOffset number the number of days from 21st March to Easter Sunday, result of Easter computation.
isLeap boolean whether this year is a leap year (366 days long).
Source: