What this tool does
Count working days or add business days using configurable weekends and holidays.
Method
The selected date interval is walked using the configured weekend rule, country holiday dataset, custom exclusions, and explicit start/end inclusion policy.
Example
Add 15 U.S. business days to a start date while excluding federal holidays.
Inputs and outputs
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Privacy and data use
Dates calculate locally. Entered dates stay in the browser; maintained public holiday calendars may be downloaded as versioned configuration.
Freshness
At least annually and whenever an official holiday calendar changes
Show the selected calendar version and warn when its update window has expired.
Source: Official national and regional holiday calendars for each supported country
Related tools
Common questions
Is it free?
Yes. The core tool and its standard result or export are free to use.
Do I need an account?
No for the core utility. An account or private management token is requested only for capabilities that must persist, such as editable dynamic QR links.
Can I trust the result?
The method and assumptions are visible above. Time-sensitive tools name their sources and freshness; important financial, safety, legal, or operational decisions should be verified with the primary authority.