Day of the Week Finder

Find what day of the week any date falls on. Works for dates from year 1 to 9999.

Select a Date

Quick presets:

Result

—

—

Day of Year

—

Week of Year

—

Days from Today

—

Leap Year

—

Date Details

Month name—

Quarter—

Days in this month—

Zodiac sign—

Share This Tool

How to Use the Day of the Week Finder

1. Select a date — Use the date picker to choose any date from year 1 to 9999.
2. Use quick presets — Click any preset button to instantly load a famous date.
3. View the result — The day of the week appears in large text with a color indicator.
4. See the week view — The full week calendar shows the selected day highlighted.
5. Explore date details — View day of year, week number, zodiac sign, and more.

Why Finding the Day of the Week Matters

Knowing what day of the week a date falls on is useful for many reasons — planning events, verifying historical dates, checking birthdays, scheduling meetings, or simply satisfying curiosity. Whether you want to know what day you were born, what day a future holiday falls on, or what day a historical event occurred, this tool gives you the answer instantly.

This tool provides not just the day name but also a complete week view, day of year, ISO week number, and other useful date information. All calculations happen locally in your browser — no data is ever sent to any server.

Key Features

• Day Finder — Shows the day of the week for any date.
• Week View — Displays the full week with the selected date highlighted.
• Date Range — Works for dates from January 1, 0001 to December 31, 9999.
• Day of Year — Shows which day of the year the date falls on.
• ISO Week Number — Standard week number based on ISO 8601.
• Zodiac Sign — Shows the zodiac sign for the selected date.
• Quick Presets — One-click access to famous historical dates.
• 100% Private — All calculations happen locally in your browser.

Frequently Asked Questions

Simply select any date using the date picker above. The tool will instantly display the day of the week, along with the full week calendar view, day of year, week number, and other useful date information.

Yes! This day finder works for any valid date from January 1, 0001 to December 31, 9999. You can check weekdays for historical dates like birthdays of historical figures or ancient events.

Enter your birth date in the date picker above. The tool will tell you exactly what day of the week you were born, along with your zodiac sign and other interesting facts about your birth date.

The week number is calculated using the ISO week date standard (ISO 8601). This is the international standard where weeks start on Monday and week 1 is the week containing the first Thursday of the year.

Free Day of the Week Finder Tool

Find what day of the week any date falls on — complete with an interactive week calendar highlighting the selected day and weekends, day of year, ISO week number, days from today, month name, quarter, days in month, and zodiac sign — with quick presets for today, Independence Day 1947, Y2K, and the Moon Landing. Every calculation runs locally in your browser with nothing ever sent to a server, making it ideal for checking birthdays, anniversaries, historical events, or planning future dates.

You May Also Like

Age Calculator Days Between Dates

All calculations are performed locally in your browser. No data is sent to any server.

Date updated!