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Business Days Calculator

Calculate working days between dates, exclude weekends, and optionally skip US federal holidays for project planning. Both dates are included; observed US federal holidays support 1986–2099.

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How to Use

  1. 1

    Select the date range

    Choose the start and end dates for the period you want to measure.

  2. 2

    Toggle holiday exclusion

    Enable holiday skipping if you want the result to exclude US federal holidays from the count.

  3. 3

    Review the working days result

    Select Calculate business days to review the count. Apply your own organization or jurisdiction rules for deadlines.

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Frequently Asked Questions

What does the business days calculator include?
It counts working days between two dates while excluding Saturdays and Sundays, and it can also skip US federal holidays for 1986–2099, including their observed weekdays. Both dates are included. Regional and employer-specific holidays are not included.
Can I calculate business days without holidays?
Yes. You can choose to exclude only weekends, or optionally include holiday exclusion to match your team or contract requirements more closely.
Is this calculator useful for project planning?
Absolutely. It is commonly used for contract deadlines, turnaround estimates, delivery schedules, and internal planning windows where only business days should count.

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