Work Days Calculator

About this tool

Count the number of business days (Monday through Friday) between two dates, excluding weekends — useful for estimating delivery windows, project timelines, or deadlines quoted in "business days."

This counts Saturdays and Sundays as non-working days but doesn't know about public holidays, since those vary by country and region.

Frequently asked questions

Does this account for public holidays?

No — holidays vary widely by country, region, and industry, so this only excludes weekends. Subtract known holidays from the result manually if needed.

Are the start and end dates both included?

Yes — if both fall on weekdays, they're counted as part of the business day total.

What if the end date is before the start date?

The dates are treated as a span regardless of order, and the business day count is always shown as a positive number.