Business Days Calculator
Count working days between two dates or add working days to a date, skipping weekends and your holidays.
Why count business days?
Shipping times, legal deadlines, bank transfers, project plans and annual leave are usually counted in working days rather than calendar days. The Business Days Calculator skips weekends and the holidays you specify.
Two modes
- Count the working days between two dates
- Add a number of working days to a date to get the end date
Flexible working week
Choose which days are working days, useful for businesses open on Saturdays or countries with a different weekend. Paste public holidays as YYYY-MM-DD to exclude them, for example 2026-12-25.
How to use Business Days Calculator
- Choose the calculation mode.
- Enter the dates or the number of working days to add.
- Choose the working days and paste holiday dates.
- See the business day count or resulting date.
Why use this tool?
Removes the hassle and error risk of counting working days on a calendar.
FAQ
Are public holidays added automatically?
No. Holidays vary by country and year, so you paste the dates that apply to you. Weekends are skipped automatically.
Can I use a non-Saturday/Sunday weekend?
Yes, pick exactly which weekdays count as working days.
How are half days handled?
Half days count as full working days; add them to the holiday list to exclude them.
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