INTERACTIVE TOOL
Business days calculator
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How to use this tool
- Define the date interval.
- Choose whether start and end dates are included.
- Add excluded holidays in YYYY-MM-DD format.
Formula or method usedThe date range is scanned and Saturdays, Sundays, and entered holidays are excluded.
Worked example
A Monday-to-Friday interval including both ends and no holidays counts five working days in this model.
Assumptions and limits
Saturday and Sunday are excluded; institutional calendars are not automatically determined.
Frequently asked questions
Does it count the starting day?+
You can choose whether to include the starting and ending dates.
What happens to my inputs?+
Calculation inputs are processed locally in your browser. Favorites and preferences may be saved on this device. The site may perform separate network requests for live panels; these do not include the values entered into this local calculator. Do not paste secrets into public tools.
How should I check the result?+
Saturday and Sunday are excluded; institutional calendars are not automatically determined.