Day of the Week Calculator
Find the day of the week for any date.
Result
Results are estimates for general information only and are not professional advice.
What day was it?
Enter any date — past or future — and this calculator tells you which day of the week it falls on, along with the day number in the year. Handy for history, planning and settling bets.
Frequently Asked Questions
What is the Day of the Week Calculator?
Find the day of the week for any date. It runs instantly in your browser and is completely free to use.
What do I need to enter to use the Day of the Week Calculator?
The Day of the Week Calculator asks for a single value: Date. Enter it and the result appears immediately — the calculation runs on your own device, so nothing you type is sent to a server.
How accurate is the Day of the Week Calculator?
The Day of the Week Calculator uses standard, widely-accepted formulas, so its figures are reliable estimates for everyday planning. They are not a substitute for advice from a qualified professional.
Is the Day of the Week Calculator free, and do I need an account?
Yes. The Day of the Week Calculator — and every other calculator on Calculatis — is completely free, with no registration, no download and no limit on how often you use it.