Date & Time calculator

Business Days Calculator

Count weekdays across a selected date range.

FormulaCount Monday-Friday dates between start and end

Formula

Business day count

Count Monday-Friday dates between start and end

Weekends are excluded; holidays are not.

FAQ5 common questions for this calculator.

FAQs

Are holidays excluded?+

No. This calculator excludes weekends only.

How does the Business Days Calculator calculate the result?+

For the Business Days Calculator, it uses the Business day count: Count Monday-Friday dates between start and end. Weekends are excluded; holidays are not.

What information do I need to use the Business Days Calculator?+

For the Business Days Calculator, enter the relevant dates, times, timezone, or calendar settings requested by the form. Exact dates matter because month lengths, leap years, and boundary days can change the result.

How accurate is the Business Days Calculator?+

Business Days Calculator is accurate for the values and assumptions entered on this page. It uses the Business day count. Recheck the inputs before relying on the estimate.

What should I check before using the Business Days Calculator result?+

For the Business Days Calculator, check the date and time fields, date format, timezone, daylight-saving changes, inclusive or exclusive endpoints, and whether weekends or holidays should count.

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Date & Time guide

How to use the Business Days Calculator

Count weekdays across a selected date range. The page also explains the business day count and shows a practical example: Weekends are excluded; holidays are not.

  1. 1

    Enter your details

    Enter the values for the business days calculator scenario you want to check.

  2. 2

    Check the calculation

    Review the result alongside the business day count: Count Monday-Friday dates between start and end.

  3. 3

    Compare scenarios

    Change one or more inputs to see how they affect the business Days Calculator result before you use the estimate.