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Weekday Calculator
Select a date
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Day of Year
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Week Number
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Leap Year?
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Same Weekday in Nearby Years
Enter a date to see
Date Info
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How to Use the Weekday Calculator
- Enter any date using the date picker
- Or use quick buttons for common dates
- See the day of the week instantly
- View additional date information
Common Uses
- Birthday - Find what day you were born
- Events - Plan meetings and parties
- History - What day was a historic event?
- Scheduling - Find future weekdays
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Frequently Asked Questions
What day of the week was I born?
Enter your birth date and instantly see what day of the week it was. Great for finding out fun facts about your birthday!
How accurate is this calculator?
The calculator uses the built-in date system which correctly handles calendar changes, leap years, and all dates from year 1 onwards.
Can I find future weekdays?
Yes! Enter any future date to see what day of the week it will be. Useful for planning events and meetings.
What is the day number?
The day number shows which day of the year it is (1-365/366). January 1st is day 1, December 31st is day 365 (or 366 in leap years).