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Home/Other Calculators/Day of the Week Calculator

Day of the Week Calculator

Find the day of the week for a date

Select a Date

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Written by the EachTools Team

Last updated: January 2026

How Day of the Week Is Determined

The day of the week for any date can be determined using Zeller's congruence or by counting from a known reference date.

Steps

Enter any date.
View the day of the week, day of the year, and whether it's a leap year.