Business Days Calculator
Enter the required values or choose a complete example.
What do you want to find?
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Count eligible dates between two ordered dates, or move forward/backward by eligible workdays on an explicitly entered work calendar.
Business days between dates
Add or subtract business days
Business days between dates
Add or subtract business days
Start date
(required)
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Choose a Gregorian calendar date. Typed/API dates use YYYY-MM-DD.
End date
(required)
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Choose a Gregorian calendar date. Typed/API dates use YYYY-MM-DD.
Boundary dates
?
Choose which boundary dates count. The displayed result labels the selected convention.
Include both dates
Exclude start, include end
Include start, exclude end
Exclude both dates
Direction
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Apply the selected direction to the whole entered movement.
Add business days
Subtract business days
Business days
(required)
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Nonzero movement begins after the start date. Zero returns the start date.
Change weekends or add holidays
Hide work calendar settings
Weekend schedule
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Choose which weekdays are excluded; custom masks let you describe another weekly schedule.
Saturday and Sunday
Friday and Saturday
Sunday only
Custom weekday mask
Custom weekend mask
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Seven digits, Monday to Sunday: 1 skips a day, 0 allows work. At least one workday is required.
Holidays or closure dates
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Enter YYYY-MM-DD dates, one per line or separated by commas. Duplicate dates count once. No holidays are added automatically.
Calculate
Work-calendar answer
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Interpretation
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Counting basis
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Show calculation details
Hide calculation details
Calculation and counting rules
Calculation details
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Clear
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