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Business Days Calculator

Finance
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Calculates the number of business days (Monday to Friday) between two dates, excluding weekends.

Count calendar days and Monday–Friday weekdays between two dates, including both the start and end date. Saturdays and Sundays are excluded from the weekday count; public holidays are not deducted.

How To Use

How to use this calculator

Start with your values, or try a preset.

Step 1

Enter a start date and an end date on or after it. You can type a date or choose it from the calendar.

Step 2

Total Days includes every calendar day and both endpoints. Business Days counts only Monday through Friday, also including both endpoints when they are weekdays.

Step 3

A single weekday counts as 1 business day. A Saturday–Sunday range counts as 0. For January 1–15, 2024, the results are 15 total days and 11 weekdays.

Step 4

Subtract applicable weekday holidays separately if you need a local working-day count. This tool does not apply country-specific holidays or alternative workweeks.

Worked Examples

Example calculations

See the inputs and their calculated results.

Two Weeks in January

Start Date: 2024-01-01; End Date: 2024-01-15

Total Days: 15; Business Days: 11

One Month

Start Date: 2024-01-01; End Date: 2024-01-31

Total Days: 31; Business Days: 23

Quarterly

Start Date: 2024-01-01; End Date: 2024-03-31

Total Days: 91; Business Days: 65

Frequently Asked Questions

Common questions

A little more context for your results.

Are the start and end dates included?

Yes. Both dates count toward Total Days. Each also counts toward Business Days if it falls on Monday through Friday.

Does this exclude public holidays?

No. Business Days here means Monday–Friday weekdays. Public holidays, company closures and working weekends are not modeled.

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Important

Treat this output as a planning estimate and confirm rates, tax rules, and contract terms before making financial decisions.