Weekday Calculator

Find out which day of the week any date falls on, past or future. Perfect for event planning and historical research.

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Weekday Calculator

Select any date to find its weekday

Weekday Calculator: Find the Day of Week for Any Date

Our weekday calculator helps you determine which day of the week any date falls on, whether it's in the past or future. Perfect for event planning, historical research, or just satisfying your curiosity. For more detailed date analysis, try our Date Calculator.

How to Use the Weekday Calculator

  1. Select any date using the date picker
  2. The calculator will instantly show you the day of the week
  3. View additional information about the selected date
  4. Try different dates to compare weekdays

Features and Information

  • Instant day of week calculation
  • Works for any date - past or future
  • Accounts for leap years
  • Additional date information provided

Common Applications

Event Planning

Check future dates for event scheduling and planning. For business events, see our Business Days Calculator.

Historical Research

Find the weekday of historical dates and events.

Birthday Analysis

Discover the day of the week you were born. For complete age analysis, use our Age Calculator.

Holiday Planning

Check which days holidays fall on in different years.

Understanding Calendar Systems

The calculator uses the Gregorian calendar system, which is the most widely used calendar today. Key points to note:

  • The Gregorian calendar was introduced in 1582
  • It accounts for leap years every 4 years
  • Century years are leap years only if divisible by 400
  • The calendar repeats every 400 years

Tips for Using the Calculator

  • Use the date picker for accurate date selection
  • Consider time zones for international date calculations
  • Remember historical dates before 1582 used different calendar systems
  • Check multiple dates for event planning flexibility

Frequently Asked Questions

How far back can I check dates?

The calculator works for any date in the Gregorian calendar system, though dates before 1582 might vary by region.

Are leap years accounted for?

Yes, the calculator automatically accounts for leap years and century rules in the Gregorian calendar.

Can I check future dates?

Yes, you can check any future date to see which day of the week it will fall on.

Need More Date Calculations?

Explore our other calculators for more date and time calculations, including age calculation, date difference calculation, and more.