The day of the week is one of Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday.
The day of the week W (numbered according to W = 0 for Sunday, W = 1 for Monday, etc.) for a given day of the month D, month M, and year Y can be determined from the simple equation
where
is the floor function of x, months are numbered beginning with March and dates in January and February considered to be the 11th and 12 months of the previous year, so
(Uspensky and Heaslet 1939, Vardi 1991).
A more complicated form is given by
where W = 1 for Sunday, W = 2 for Monday, etc. and the numbers assigned to months, centuries, and years are given in the tables below (Kraitchik 1942, pp. 110-111).
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The day of the week W (numbered according to W = 0 for Sunday, W = 1 for Monday, etc.) for a given day of the month D, month M, and year Y can be determined from the simple equation
(1)
where
is the floor function of x, months are numbered beginning with March and dates in January and February considered to be the 11th and 12 months of the previous year, so (2)
(3)
(4)
(5)
(Uspensky and Heaslet 1939, Vardi 1991).
A more complicated form is given by
where W = 1 for Sunday, W = 2 for Monday, etc. and the numbers assigned to months, centuries, and years are given in the tables below (Kraitchik 1942, pp. 110-111).
[Ctrl+A 全部选择 提示：你可先修改部分代码，再按运行]
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