Day of the Week Calculator
Find the weekday for any past or future date. Enter a calendar date to see its weekday and ordinal day of the year.
Enter a value
Result
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Enter a value to calculate instantly.
Calculation method
How to use Day of the Week Calculator
Enter a calendar date to see its weekday and ordinal day of the year.
ExampleDecember 31 is day 366 in a leap year.
Displayed decimals can vary with the input and rounding method.
Useful together