📅DateTime Calculator
💼Business Tool

Business Days Calculator

Count working days between dates, or add business days to a start date — weekends excluded.

Business days = Mon–Fri. Public holidays are not automatically excluded.
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Select dates above to see the business day count.

How to Use the Business Days Calculator

  1. 1Count Days mode: enter a start date and an end date, then click Calculate to count working days between them.
  2. 2Add Days mode: enter a start date and a number of business days, then click Calculate to find the resulting workday.
  3. 3Weekends (Saturday and Sunday) are automatically excluded from the count.
  4. 4The result also shows the total calendar days for reference.
💡Use Add Days mode to calculate payment due dates, delivery deadlines, and SLA windows.

Business Days FAQ

What counts as a business day?

Business days are Monday through Friday, excluding weekends (Saturday and Sunday). Public holidays are not automatically excluded.

How do I calculate working days between two dates?

Enter the start and end dates in 'Count Days' mode and click Calculate.

Can I add business days to a date?

Yes — switch to 'Add Days' mode, enter a start date and number of days to find the resulting workday.