What does this tool do?
Business-day arithmetic skips Saturdays and Sundays, so ten working days is normally two calendar weeks but can stretch across holidays. Add a holiday allowance to keep the result realistic.
The Formula
Result = start date advanced by N weekdays, plus one weekday per holiday allowanceFrequently Asked Questions
Does the start date count as day one?
No. Counting begins on the next weekday, which matches the usual wording of a ten-business-day deadline.
How should I use the holiday allowance?
Count the weekday public holidays expected inside the window and enter that number. The result moves forward by the same number of working days.