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**ShivamS****Member**- Registered: 2011-02-07
- Posts: 3,638

I recently saw videos of Arthur Benjaman (the "Mathemagician") and saw him calculate day of the week in 3 seconds given the date and month. I checked out Zeller's congruence and then found an algorithm which isextremely simple.

http://www.gregmiller.net/astro/dow.html

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**DeanPemberton****Member**- From: USA
- Registered: 2014-10-30
- Posts: 21
- Website

Excellent. The formula in the site you have suggested is excellent, i have also tied to calculate some days of the weak and got succeed by the formula.

Thank for sharing. Now i can also calculate only in 3 minutes.

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