NumSmith

Day of the week

Which weekday a date falls on, plus day-of-year and week number.

…

Share

For reference only

Results use standard formulas and published rates. Actual figures may differ due to personal deductions, institution rules and rounding. Do not rely on this alone for legal or financial decisions.

When to use this

Check the weekday of a past anniversary or a future appointment. Also shows the day of the year, week number and whether it is a leap year.

How to use it

  1. Enter a date.
  2. Read the weekday and extras.

Frequently asked questions

What range is supported?
Accurate from 1900 to 2100.

Related calculators

Age calculatorDate difference & countdownWorking days calculatorTime zone converter