How to Calculate Business Days Between Dates
Skip weekends and your own holiday list to get a realistic delivery or deadline date.
3 min read
Step by step
- Walk each day from the start date to the end date.
- Skip Saturdays and Sundays.
- Skip any date on your holiday list.
- Example: Monday 2026-08-10 to Friday 2026-08-14 is 4 business days when the start is excluded.
Key takeaway: Holidays are regional — always supply your own list.
Do it automatically
Add or subtract dates, count days between, or count business days.
Open the Date Calculator