Comment on A Fast 64-Bit Date Algorithm (30–40% faster by counting dates backwards)parentComments−wizzwizz49moTechnically, the leap day (bissextus) was the 24th. (Wikipedia tells me this is because that's when Mercedonius used to be, before the Julian reforms.)
Comments
Technically, the leap day (bissextus) was the 24th. (Wikipedia tells me this is because that's when Mercedonius used to be, before the Julian reforms.)