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Tagged with calendar-computations math-history
3
questions
2
votes
1
answer
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Computation of Easter date (UK statutory method)
The statutory method for the computation of Easter in the UK (and presumably also the USA) is contained in the Calendar (New Style) Act 1750. This is the same Act which moved the British Empire from ...
- 141
5
votes
4
answers
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Why don't we subtract out / ignore the leap year every 128 years? [closed]
When we add the extra day to the calendar every 4 years it's to "correct" the calendar under the assumption that the year's length is 365.25 days. Every year, you're .25 days off, so after 4 years, ...
- 59
30
votes
3
answers
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Decoding Gauss' Easter Algorithm
In 1800, Gauss published this algorithm for computing the date of Easter in a given year $year$:
$a = year \mod 19$
$b = year \mod 4$
$c = year \mod 7$
$k = \lfloor year/100 \rfloor$
$p =...
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