Formula
Saturday and Sunday are left out. Both endpoints count when they are weekdays:
Working days = weekdays from the start through the end
The business-day page subtracts a holiday count from this weekday total.
Assumptions
- The week starts on Monday.
- No holiday is removed on this page.
Worked example
January 1, 2026 through January 31, 2026 has 22 weekdays.
Input definitions
- Weekday
- Monday, Tuesday, Wednesday, Thursday, or Friday.
Limitations
Local holidays are not known here.
Questions
Does January 1 count if it is a Thursday?
Yes. This page does not know holidays.
How do I remove a holiday?
Use the business days calculator and type how many weekdays to remove.