Day of the Week Finder

Determine the weekday for any date.

Uses the Gregorian calendar; time zones may affect boundaries near midnight.

Examples

  • 2023-09-01 ⇒ 5
  • 2000-01-01 ⇒ 6

FAQ

What numbering system is used?

0=Sunday, 1=Monday, ..., 6=Saturday.

Does it account for leap years?

Yes, JavaScript's Date object handles leap years.

Can it handle dates before 1970?

Yes, enter any Gregorian calendar date.

Why is the result a number instead of a name?

Use the index to map to weekday names.

Additional Information

No additional information available.