One Click Math

Business Days Calculator

Calculate the number of business days between two dates or add business days to any date. Saturdays and Sundays are automatically excluded.

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Understanding Time Calculations and Date Differences

Learn how date calculations work
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How to Use

Between Dates: Enter a start and end date to count the working days between them (excluding weekends).

Add Business Days: Enter a start date and the number of business days to add. The result shows the target date, skipping weekends.

Public holidays are not yet excluded — a holiday exclusion feature is planned for a future update.

How It Works

A business day (or working day) is any day from Monday to Friday. Saturdays and Sundays are excluded by this calculator.

Between two dates: The calculator counts every weekday from the start date to the end date, inclusive.

Adding business days: Starting from the given date, the calculator moves forward one day at a time, counting only weekdays until the required number of business days is reached.

Note: Public holidays are treated as regular business days in this version. Adjust results manually if your local holidays apply.

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Frequently Asked Questions

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