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Business Days

Calculate business days with country holidays

A public calculator powered by the Holidays API. Measure working days, public holidays, weekends, and total hours between two dates.

Date range

Select a start date, then an end date from the same field.

Country code

Use any ISO 3166-1 alpha-2 code supported by Holidays, for example FR, US, GB, MA or AE.

Subdivision code

Optional. Add a province, region or state code when local holidays matter.

Language

Hours per day

Count Saturdays as worked days

Use observed holidays

March 2026

Worked day

Public holiday

Weekend

Outside selected period

Fill the form and run the calculator to get business days, public holidays and worked hours.

Integrate holiday data into your app

Access public holidays and business-day calculations for 100+ countries via our REST API.

HolidaysView API

CRM, sales & automation — only pay for what you use.

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