Business days calculator
Count weekdays after the start date through the end date. Optionally exclude observed US federal holidays.
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What the count includes
The start date is excluded and the end date is included. Saturdays and Sundays are always excluded. The holiday option uses standard observed-date rules for the 11 US federal holidays.
Not every workplace uses this calendar
Private employers, schools, banks and local governments may observe different days. Use the result as calendar arithmetic, not as a statement about a deadline or workplace policy.
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