A business day (also called a working day) is any day that is not a weekend or a public holiday. Most countries consider Monday through Friday as business days, though this varies by region.

We source holiday data from the open-source date-holidays library, which aggregates government-published holiday calendars. Data is updated regularly but we recommend verifying critical dates with local authorities.

Yes. Enter a negative number of business days to count backward from your start date. This is useful for finding shipping deadlines when you know the required delivery date.

Our tool focuses on national public holidays. Some countries have regional holidays that vary by state or province. For regional accuracy, always cross-reference with local government sources.

Yes, BizDays Global is completely free and always will be. No signup, no limits, no hidden features behind a paywall.

Manual counting is error-prone, especially across borders. Missing a single holiday can delay shipments, breach contract deadlines, or cause payroll miscalculations. Automating this eliminates human error.