Date & Time
Business Days Calculator
Count Monday-to-Friday dates in an inclusive range, excluding no public holidays.
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How this calculation works
Count Monday-to-Friday dates in an inclusive range, excluding no public holidays. Enter your values, select Calculate, then review the result. You can change any value and calculate again.
Formula used
Count inclusive Monday-to-Friday dates; public holidays are not excluded
Good to know
Results are estimates for informational purposes.
Example calculation
2026-01-05 to 2026-01-09 includes 5 Monday-to-Friday dates
How to use this calculator
- Enter your values, select Calculate, then review the result. You can change any value and calculate again.
- Check units and time periods before comparing two results.
- Change one input at a time to understand its effect.
Frequently asked questions
What does the Business Days Calculator calculate?
Count Monday-to-Friday dates in an inclusive range, excluding no public holidays. The result is calculated from the values you enter and the formula shown on this page.
Which assumptions does the Business Days Calculator use?
It applies Count inclusive Monday-to-Friday dates; public holidays are not excluded. Values, fees, rules or timing not represented by an input are not added automatically.

