Zeller's congruence (Q2140717)

algorithm to calculate the day of the week in the Gregorian and Julian calendars

Language	Label	Description	Also known as
British English	Zeller's congruence	algorithm to calculate the day of the week in the Gregorian and Julian calendars

Statements

discoverer or inventor

Q72987 (Deleted Item)

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Commons category

Perpetual calendars

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imported from Wikimedia project

Q48183 (Deleted Item)

Freebase ID

/m/04h9f0

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stated in

Q15241312 (Deleted Item)

publication date

28 October 2013

instance of

Q979637 (Deleted Item)

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Q976981 (Deleted Item)

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Quora topic ID

Zellers-Congruence

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stated in

Q51711 (Deleted Item)

defining formula

h=\left(q+\left\lfloor {\frac {13(m+1)}{5}}\right\rfloor +K+\left\lfloor {\frac {K}{4}}\right\rfloor +\left\lfloor {\frac {J}{4}}\right\rfloor -2J\right){\bmod {7}}

applies to part

Gregorian calendar

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h=\left(q+\left\lfloor {\frac {13(m+1)}{5}}\right\rfloor +K+\left\lfloor {\frac {K}{4}}\right\rfloor +5-J\right){\bmod {7}}

applies to part

Julian calendar ^English

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named after

Q72987 (Deleted Item)

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discovery date

1882

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Microsoft Academic ID

2779455459

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Dictionary of Algorithms and Data Structures ID ^English

zellersCongruence

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ZellersAlgorithm

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