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Calculate business days between two dates, excluding weekends and US federal holidays. See calendar days, weekend days, and work weeks for project planning.
A work days (business days) calculator counts the number of weekdays between two dates, optionally excluding public holidays. Essential for project planning and payroll.
21
Business Days
30
Calendar Days
8
Weekend Days
1
Holidays
≈ 4.2 work weeks
| Holiday | Date |
|---|---|
| New Year's Day | January 1 |
| MLK Jr. Day | 3rd Mon, January |
| Presidents' Day | 3rd Mon, February |
| Memorial Day | Last Mon, May |
| Juneteenth | June 19 |
| Independence Day | July 4 |
| Labor Day | 1st Mon, September |
| Columbus Day | 2nd Mon, October |
| Veterans Day | November 11 |
| Thanksgiving | 4th Thu, November |
| Christmas | December 25 |
Formula
Business Days = Calendar Days − Weekends − HolidaysCalendar Days = total number of days between start and end dates
Weekends = number of Saturdays and Sundays in the range
Holidays = number of US federal holidays falling on weekdays
Worked Example
Business days in one month
Did you know? The average year contains approximately 251 business days (365 − 104 weekend days − 10 federal holidays). This number is used by the Bureau of Labor Statistics for annual work calculations.
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