Spencer's Easter formula
Spencer's Easter Formula is an algorithm used to determine the date of Easter .
The rule was described by the British astronomer Harold Spencer Jones in 1922 , but was published by an anonymous author as early as 1876.
algorithm
Used division with remainder .
The date of Easter Sunday is , and is the number of the month (March or April) .
Application of the algorithm for the coming years:
Variable 2018 2019 2020 2021 2022 --------------------------------------------------------- a 4 5 6 7 8 b 20 20 20 20 20 c 18 19 20 21 22 d 5 5 5 5 5 e 0 0 0 0 0 f 1 1 1 1 1 g 6 6 6 6 6 h 10 29 18 7 26 i 4 4 5 5 5 k 2 3 0 1 2 l 0 1 3 6 0 m 0 0 0 0 0 n 4 4 4 4 4 p+1 1 21 12 4 17 Osterdatum: Sonntag, 1.4. 21.4. 12.4. 4.4. 17.4.
See also
literature
- Jean Meeus : Astronomical algorithms. Willmann-Bell, Richmond 1998, p. 67 f.
- To find Easter. In: Nature , 1876 (13), 338, p. 487, doi : 10.1038 / 013487a0 .