Business Days Calculator
Count working days between two dates while skipping weekends and any holidays you list with this free business days calculator.
Enter details
Result
Enter the details to see your result.
Runs in your browser. Your inputs are not saved or transmitted.
How to use this calculator
- Pick start and end dates.
- Optionally paste public holidays (one date per line).
- Read working days, weekend days and holidays.
How it works
Counts every calendar day between the dates (inclusive), classing Saturdays/Sundays as weekends and your pasted dates as holidays; the rest are working days.
Worked example
A full week. Any 7 consecutive days contain 5 working days and 2 weekend days.
Tips
- Runs entirely in your browser. Your inputs are not saved or transmitted.
Frequently asked questions
Where do holidays come from?
You paste them yourself (one YYYY-MM-DD per line) — no server lookup, so it works for any country.
Privacy?
Runs entirely in your browser. Your inputs are not saved or transmitted.
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Explore more in Time, Date, Roster & FIFO.
Cite this tool
Zerdly. (2026). Business Days Calculator. Retrieved from https://www.zerdly.com/tools/business-days-calculator/
Tip: Enter any known values to calculate the remaining results.
All calculations run in your browser. Your inputs are never saved or transmitted.