Calculators
Business Days Calculator
- Browser-based
- No signup
Enter a start and end date to count business days. Weekends are excluded automatically. Optionally list holidays as YYYY-MM-DD dates to exclude those weekdays as well.
100% Client-Side
Your data never leaves your computer.
How to use this tool
1. Enter a start date and end date. 2. Optionally exclude weekends or listed holidays if those controls are shown. 3. Click Calculate. 4. Review the business-day count in the results panel. 5. Confirm holiday rules match your organization’s calendar.
Worked example
Example: Monday 3 March to Friday 14 March typically counts 10 weekdays if both endpoints are inclusive and no holidays are excluded.
How it works
Enter a start and end date (inclusive). Weekends are excluded automatically. Optionally list holidays as YYYY-MM-DD dates, one per line, to exclude those weekdays as well.
Limitations
Results are based on the inputs you provide and may not cover every edge case. This tool is for general use and is not professional advice.
Privacy and file handling
Your data is processed in your browser and is not uploaded to our server.
Frequently asked questions
Are weekends included?
No. Saturdays and Sundays are excluded automatically.
How do I exclude holidays?
Enter holiday dates as YYYY-MM-DD, one per line. Matching weekdays are excluded from the business-day count.
Are start and end dates inclusive?
Yes. Both the start date and end date are counted when they fall on business days.
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