Business Days Calculator
How many Mon–Fri between two dates. Click any i for detail.
Dates
Start date
i
Start
First day. |
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|---|---|
End date
i
End
Last day. |
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Count
i
Mode
Exclude end date (nights-style) or include both. |
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Skip weekends
i
Weekends
Always on for business days. |
How to use this calculator
- Pick a start date and end date.
- Choose whether the end date counts in the span.
- Confirm weekends are excluded (Mon–Fri only).
- Read the weekday count.
Results explained
Business days here means Monday through Friday between the dates you pick. US federal holidays are not subtracted automatically.
Quick reference: business days
Mon to Fri the same week, excluding the end date, is 4 business days.
| Item | Detail |
|---|---|
| Mon→Fri | 5 weekdays if both ends count |
| Exclude end | hotel nights style: end day not counted |
| Include both | add one to the night count |
| Holidays | subtract manually if needed |
Company calendars and local holidays vary.
How the estimate is built
Count calendar days in range where weekday ∈ {Mon…Fri}, per include/exclude end rule.
Example scenario
Mon to next Mon excluding end → 5 business days.
FAQ
Are federal holidays removed?
No. Mark Thanksgiving or MLK Day yourself if they fall in range.
How is this different from all calendar days?
Calendar-day pages count every day including weekends.
Does time of day matter?
No. Only the calendar dates you pick.