Day of the Week Calculator - Find Any Date's Weekday

Discover what day any date falls on with detailed calendar information, seasonal data, and historical context.

Date Information

Select a date and click Calculate to see results

Do you want to know what day of the week your birthday is next year? or possibly what was the day of the week on a date in the past? The Day of the Week Calculator from SantPro Tools allows you to quickly and easily find out what day a date falls on. Whether it is planning a event, counting something that happens every year, or looking at a date in history - our free online week day calculator will give you accurate results instantly.

Day of the Week Calculator

What is a Day of the Week Calculator?

A Day of the Week Calculator is an smart tool that helps identify the actual weekday (Monday, Tuesday, etc) of any date, no matter if it is past, present, or future. Simply enter a date and the tool will return to you multiple seconds later with what day of the week that date falls on, and additional details as well.

Day of the year
Week number
Quarter of the year
Zodiac sign
Season
Leap year status

A week day counter can work great for planners, historians, astrologers, and anyone who loves to know specific dates.

How does a Day of the Week Calculator Work?

The Day of the Week Calculator uses complex date algorithms to determine the day of the week on any selected date. It is as easy as following these steps:

1.
Enter your date in the input box.
2.
Click Calculate.
3.
Instantly view the weekday, day number, week number, and more.

You can even change to Date Range Mode and find the weekdays of multiple dates, which is great for using with events or projects that occur over a span of several days.

Features of Day of the Week Calculator

1.
Single Date Calculation - Find out what the day of the week for a specific date.
2.
Date Range Mode - Find out the day of the week for multiple date ranges.
3.
Calendar View - Visually see the days and weeks in a monthly or yearly view.
4.
Historical Context - See fun facts and holidays related to your selected date.
5.
Quick Ranges - Quickly view today's date, tomorrow, next week and next year.

Our week day counter is much more than just picking a weekday. It can also give you seasonal, astrological and historical context and insight to the date you are locating.

Why use a Day of the Week Calculator?

Knowing the day of week for a date is helpful and useful personally and professionally. The Day of Week Calculator can be used to:

Plan meetings, events, or travel schedules.
Check which weekday an anniversary or birthday falls on.
Research historical events along with their associated weekdays.
Plan a weekly or monthly schedule wisely.
Utilize calendar organization systems for business or astrology.

Our week day calculator checks the calendar year for you, even in a leap year.

Benefits of Day of the Week Calculator

Free & Instant: Provides immediate results to you without an account or download.
Accurate Algorithms: Clean and efficient results for all users -- professionals or researchers.
User Friendly Interface: Simple layout for users of all levels, from novices to professionals.
Mobile & Desktop: Use anywhere, anytime easily.

Whether you need a week day counter for school, work, or curiosity -- this is the digital assistant for you!

Examples:

Example 1: Want to know which day Christmas 2030 falls on? Enter 25-12-2030 → You'll see Wednesday.
Example 2: Planning a vacation from 10-05-2026 to 20-05-2026? Use the Date Range feature to see each weekday in that range.
Example 3: Curious about your birthdate's zodiac and weekday? Enter your birthday to find out instantly!

With this Day of the Week Calculator, date analysis has never been more fun and precise.

The Day of the Week Calculator by SantPro Tools is the most efficient and accurate way to discover weekdays for any date. Whether you’re checking future plans, studying the past, or just satisfying your curiosity - this free week day counter gives you instant results with added context like zodiac signs, seasons, and historical data.

FAQs

The Day of the Week Calculator can tell you the day of week (Monday to Sunday) from a date - past, present, or future.

Yes! Use the Date Range feature in the week day counter to view all weekdays between two selected dates.

Absolutely. It uses reliable date algorithms that precisely calculate weekdays for any valid Gregorian calendar date.

Yes, the calculator will auto-populate the zodiac sign and seasons for your selected date.

No. The Day of the Week Calculator is 100% free and 100% online, so you can access it from any device - mobile, tablet or desktop.

It's not just a week day counter - it's a complete date analysis tool that includes holiday data, week numbers, zodiac details, and seasonal insights in one easy interface.