Add Business Days to a Date
Enter a start date and the number of business days to add or subtract. Weekends are skipped automatically, and you can list holidays to skip too. The result shows the date and its day of the week.
How to add business days to a date
- Choose your start date.
- Enter the number of business days to add, or a negative number to subtract.
- Optionally list holidays to skip, then read the resulting date.
Examples
Add two business days
Start 2026-06-11 (Thursday), add 2 business days
2026-06-15 (Monday), skipping the weekend
Skip a holiday
Start 2026-06-11, add 1 business day, holiday 2026-06-12
2026-06-15 (Monday)
Frequently asked questions
What counts as a business day?
Monday through Friday. Saturdays and Sundays are always skipped, and any holidays you list are skipped as well.
Can I subtract business days?
Yes. Enter a negative number and the calculator steps backward through working days, skipping weekends and holidays just the same.
How do I add holidays?
List each holiday as a YYYY-MM-DD date, one per line. A holiday that falls on a weekend changes nothing, since weekends are already skipped.
Is the start date counted?
No. Counting begins from the day after the start date when adding, and the day before when subtracting, so adding zero business days returns the start date unchanged.
Do time zones affect the result?
No. All math runs in UTC and treats each date as a plain calendar date, so daylight saving time and time zones never shift the answer.
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