Working Days Calculator

Count business days between two dates. Optionally skip weekends and a fixed US federal holiday list.

Free · No signup · Runs in your browser · Shareable link syncs inputs

JavaScript is required for live calculation.

You can still read how Working Days Calculator works, the formula, examples, and FAQs below.

Start date
End date
Exclude weekends
Exclude US federal holidays — Uses a fixed illustrative holiday list (2025–2027). Verify for your year — rules change.

Inputs

Start date

End date

Exclude weekends

Exclude US federal holidays

Updates live as you type — Calculate syncs a shareable URL.

days

Working days

Total days

Weekends

Holidays

Calendar span

August 2026

SMTWTFS

12345678910111213141516171819202122232425262728293031

Ad · below results slot

Tools you open will show up here on this device — with your last inputs when available.

Count business days between two dates. Optionally skip weekends and a fixed US federal holiday list.

Iterate each calendar day; optionally skip Sat/Sun and listed federal holidays.

Aug 1–31, 2026 has 21 weekdays with weekends excluded.

Are holidays official?+

The bundled list is a convenience snapshot, not a live government feed. Toggle it off if you need custom calendars.