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Day of the Week Calculator
Find out what day of the week any date falls on. Calculate the day of the week for past, present, and future dates instantly. What day was I born? What day is a holiday?
Day of the Week
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Day of Year
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Week Number
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Days Remaining
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How to Use
Enter any date — past, present, or future — to instantly find out what day of the week it falls on. Works for any date in history or the future.
- Works for past, present, and future dates
- Instant calculation
- Localized day names
- Supports any date range
Use cases
- Find out what day of the week you were born on
- Check what day a future holiday or event falls on
- Look up historical dates and their weekdays
- Plan events by checking day of the week for any date