How to use the Business Days Calculator
Enter the start date and end date and the result appears straight away. Everything runs in your browser, so nothing you type is uploaded.
How it works
Counts Monday to Friday only.
Examples
- 1 to 31 January 2026
Weekdays (excluding start date, including end date): 21 Public holidays are not excluded.
- 2 to 27 March 2026
Weekdays (excluding start date, including end date): 19 Public holidays are not excluded.
- 1 July to 30 September 2026
Weekdays (excluding start date, including end date): 65 Public holidays are not excluded.
Limitations and assumptions
Public holidays, company holidays and country-specific working weeks are not included.
Frequently asked questions
How are business days counted?
Every Monday to Friday between the dates is counted. Saturdays and Sundays are skipped.
Are holidays excluded?
No. Subtract public holidays that fall on weekdays yourself.
Is the start date counted?
No, the count starts the next day and includes the end date.
How do I add business days to a date?
Use the next business day calculator, or the date add tool for calendar days.