Function to return date of Easter for the given year

Question

So, here\'s a funny little programming challenge. I was writing a quick method to determine all the market holidays for a particular year, and then I started reading about E

Answer 1

Found this Excel formula somewhere
Assuming cell A1 contains year e.g. 2020

ROUND(DATE(A1;4;1)/7+MOD(19*MOD(A1;19)-7;30)*0,14;0)*7-6

Converted to T-SQL lead me to this:

DECLARE @yr INT=2020
SELECT DATEADD(dd, ROUND(DATEDIFF(dd, '1899-12-30', DATEFROMPARTS(@yr, 4, 1)) / 7.0 + ((19.0 * (@yr % 19) - 7) % 30) * 0.14, 0) * 7.0 - 6, -2)