Dates & Time

How to Count Business Days

Business days normally mean Monday through Friday, but the exact answer can change when holidays or inclusive counting rules apply.

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What counts as a business day?

In a basic business-day count, Monday through Friday count and Saturday and Sunday do not. Holidays may also be excluded when a contract, employer, carrier, court or government rule defines them that way.

How to count business days

  1. Identify the start and end dates.
  2. Decide whether the starting date counts.
  3. Exclude Saturdays and Sundays.
  4. Exclude any holidays required by the rule you are following.

What does 3–5 business days mean?

It means a window of three to five counted workdays. For example, if counting begins on a Monday and there are no holidays, three business days later is Thursday under a standard “do not count the starting day” convention, while five business days later is the following Monday.

What does 7–10 business days mean?

A seven-to-ten-business-day window usually spans more than one calendar week because weekend days do not count. The exact calendar date depends on the starting day and any holidays.

Inclusive vs. exclusive counting

Some rules count the start date when an event happens early enough in the day; others begin with the next business day. Always follow the wording of the deadline or policy that applies.

Business days vs. calendar days

If weekends should count, use the days between dates calculator. To move a fixed number of calendar days from a date, use the add or subtract days calculator.

Frequently asked questions

Are federal holidays always excluded?

No. Holiday treatment depends on the rule or organization defining “business day.”

Does Saturday count as a business day?

Not in the standard Monday-through-Friday definition used by this guide.

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