Day of the Week Calculator

Ever wondered what day of the week you were born on, or on what day a future event will fall? This calculator provides the answer instantly.

Result

Choose a mode and enter a date to begin.

Discover the Day for Any Date

The seven-day week is a cornerstone of how we organize our lives, yet it can be difficult to know which day of the week a specific date fell on, or will fall on. Was your birthday on a weekend? Will Christmas be on a Friday next year? Our Day of the Week Calculator answers these questions with precision and provides extra details to give you a complete picture of any date.

How to Use This Calculator

This tool is flexible, offering two powerful ways to find the day of the week.

For a Specific Date

Make sure the "For a Specific Date" mode is selected.
Use the date picker to choose any date you're curious about.
Click the "Find Day of Week" button to see the results immediately.

After a Duration

Select the "After a Duration" mode.
Choose a Start Date.
Select whether to Add or Subtract the duration.
Enter the amount of years, months, weeks, or days you want to calculate forward or backward.
Click the button to find out the day of the week for the newly calculated date.

Why Find the Day of the Week?

Personal Curiosity: Find out the day you were born on, the day of your graduation, or any other significant life event. Knowing this can add a fun layer of context to your memories. You can find your exact age with our Age Calculator.
Event Planning: Are you planning a wedding, a party, or a conference? Use this tool to ensure your chosen date falls on a weekend or a suitable weekday.
Historical Research: Easily determine the day of the week for significant historical events, adding valuable context to your research.
Business and Deadlines: Quickly determine if a future deadline falls on a workday. For more detailed business day calculations, check out our Day Counter.