Free online tool

Business Days Calculator

Calculate a workday deadline and see every excluded weekend and holiday.

Dates calculate locally

Use Business Days Calculator

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What this tool does

Count working days or add business days using configurable weekends and holidays.

Method

The selected date interval is walked using the configured weekend rule, country holiday dataset, custom exclusions, and explicit start/end inclusion policy.

Example

Add 15 U.S. business days to a start date while excluding federal holidays.

Inputs and outputs

You provideYou receive
  • Mode
  • Start and end date
  • Business-day offset
  • Country calendar
  • Weekend rule
  • Inclusion rule
  • Custom holidays
  • Result date
  • Business-day count
  • Excluded weekends and holidays
  • Calendar breakdown

Privacy and data use

Dates calculate locally. Entered dates stay in the browser; maintained public holiday calendars may be downloaded as versioned configuration.

Read the full privacy policy.

Freshness

At least annually and whenever an official holiday calendar changes

Show the selected calendar version and warn when its update window has expired.

Source: Official national and regional holiday calendars for each supported country

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Common questions

Is it free?

Yes. The core tool and its standard result or export are free to use.

Do I need an account?

No for the core utility. An account or private management token is requested only for capabilities that must persist, such as editable dynamic QR links.

Can I trust the result?

The method and assumptions are visible above. Time-sensitive tools name their sources and freshness; important financial, safety, legal, or operational decisions should be verified with the primary authority.