The result shows working days, weekends and custom holidays separately.
Date & Time calculator
Working Days Calculator
Calculate business days using a standard Monday-to-Friday week, with optional dates to exclude.
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No account. Formula and assumptions are shown below.
Calculator inputs
Working days details
Formula & disclaimer
Working Days = Monday-to-Friday Days β Entered Weekday Holidays
View assumptionsFormula reviewCalcs at Hand Editorial TeamVerified 28 August 2026 Β· automated checks included
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Resultβ
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Formula & details
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How to read this result
Three useful checks, kept deliberately short.
September 2026 with 16 September excluded: Count every Monday-to-Friday date inclusively Β· Ignore Saturdays and Sundays Β· Subtract the entered weekday holiday.
Public holidays are not inserted automatically because they vary by country, state and year.
Formula and assumptions
Working Days = Monday-to-Friday Days β Entered Weekday HolidaysThe calculator counts both selected dates and assumes a Monday-to-Friday working week.
Keep in mind: Contract, payroll and legal deadlines may apply different inclusion, weekend and holiday rules.
Produced byCalcs at Hand Editorial Team
Last formula check28 August 2026
Review methodKnown examples + boundary cases
Editorial and correction policy β