Day of the Week Finder
Find which day of the week any date falls on, such as the day you were born.
Runs in your browser. Your files never leave your device. See how to check
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How to do it
- 1Fill in the boxes
Type your numbers or pick the options you need.
- 2See the result
The answer updates right away as you change a value.
- 3Use it
Copy the result or note it down. Nothing is sent anywhere.
About this tool
Pick a date and see the day of the week and the day number in the year. It works for past and future dates, so you can check your birthday, a historical event or a future deadline.
What it is for
People look up the weekday of a birth date, an anniversary, a land document or an exam date. The result uses the Gregorian calendar.
How it works
The calculation uses the calendar rules built into your browser, including leap years. Dates before 1582 follow the proleptic Gregorian calendar and may differ from the Julian dates used at the time.
Related tools
Use the age calculator to see your exact age, or the date difference calculator to count days between two dates.
Tips for best results
Check every box before you rely on a result, because one wrong digit changes the whole answer. Use the exact figures from your payslip, bill, certificate or contract, and keep a note of the date you calculated. Rates, thresholds and rules change from time to time, so for tax, fees and legal matters treat the output as an estimate and confirm with the official source named on this page. You can run as many scenarios as you like; nothing is saved or sent, and refreshing the page clears the boxes.
Quick facts
- Category: Everyday Tools
- Works in your browser, no sign-up, no upload.
- Your input stays on your device.
- Available in English and Bangla.
- Content last reviewed:
Frequently asked questions
Does it handle leap years?
Yes.
Can I check old dates?
Yes, but dates before 1582 use the proleptic Gregorian calendar.
What is the day number?
The count of the day within the year, from 1 on January 1.
Is the date stored?
No.