Day of the Week Calculator — Find the weekday of any past or future date
Enter any date to see which day of the week it falls on and how many days it is from today. Find the day you were born, check the weekday of a historical date, or see whether a future date is a weekday or weekend.
Enter a date to find out what day of the week it is.
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Day of the Week Calculator: tips and things to know
- Look up the day you were born; it is a good conversation starter.
- Friday the 13th happens one to three times every year.
- The calendar repeats exactly every 400 years.
How to use the Day of the Week Calculator
Enter a date
Type the year, month and day.
Read the result
The day of the week and the number of days from today appear.
Try another date
Change any field and the result updates.
Day of the Week Calculator FAQ
Can I look up past dates?
Yes. Any past or future date works.
How is the difference from today calculated?
It is the number of days between today and the date you entered.
Does it show Japanese public holidays?
Not yet. It shows the day of the week only.