How to use the Business Days Calculator
- Choose whether to count business days or add them to a date.
- Enter your dates.
- Optionally change weekend days and list public holidays to exclude.
What counts as a business day?
Business days are typically Monday to Friday, excluding public holidays. In some countries the weekend is Friday–Saturday — you can change the weekend days in the settings.
Common uses
- Delivery and shipping estimates (“5–7 business days”).
- Legal and contract deadlines.
- Payment terms, notice periods and project planning.
Frequently asked questions
Does it include public holidays automatically?
No — holidays differ by country and region, so add the ones that apply to you in the holidays box. They apply to this calculation only.
How many working days are in a year?
Usually 260 or 261 weekdays, minus public holidays (around 250 in most countries).