Day of the Week Calculator
Pick any date to find out which day of the week it falls on.
Thursday
Thursday, November 12, 2026. Thursday the week before, Thursday the week after (both the same day of week, by definition).
What day of the week was I born?
What day of the week was I born? Enter your date of birth above and the calculator shows the weekday immediately, using the Gregorian calendar.
Calendar note
Dates are calculated in the proleptic Gregorian calendar, meaning the modern calendar is extended backwards. Historical dates before a country adopted the Gregorian calendar (1582 in parts of Europe, 1752 in Britain and its colonies) may differ from the dates recorded at the time.
Features
- Any date from 0001 to 9999
- Day of the year and ISO week
- Gregorian calendar throughout
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