Date & Time
Day of the Week Calculator
Find what day of the week any date falls on — past or future. Also shows day of the year and week number.
FreeAny DateDay of Year
Select a Date
Day of the Week
Thursday
October 8th, 2026
Day of Year
281
Week of Year
41
2026-10-08 is a Thursday — a weekday.
What this tool shows
- Day of the week: Monday, Tuesday, … Sunday
- Day of the year: How many days into the year the date falls
- Week number: Which week of the year (1–53)
- Weekday or weekend: Whether it is a working day
Common uses
- Checking if a past date was a weekday or weekend
- Verifying the day of the week for a historical event
- Planning around specific days of the week
- Finding the first Monday or last Friday of a month
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- Add or Subtract Days from a DateAdd or subtract any number of days from any starting date to find the resulting date.