Business Days Between Dates Calculator
Count weekdays Monday through Friday in an inclusive date range, optionally subtracting supplied holidays.
Description
Count Monday-through-Friday dates in an inclusive range after removing supplied holidays.
Business Days Between Dates Calculator count Monday-through-Friday dates in an inclusive range after removing supplied holidays.
Use this for transparent schedule estimates when the relevant holiday calendar is already known and a simple Monday-Friday workweek applies.
When to use Business Days Between Dates Calculator
Use this for transparent schedule estimates when the relevant holiday calendar is already known and a simple Monday-Friday workweek applies.
How it works
The tool validates ISO calendar dates, counts both endpoints, separates weekend days, deduplicates holidays, and subtracts only holidays that fall on weekdays inside the range.
Interpreting the result
Keep the input units, direction conventions, encoding, and ordering rules visible when reusing the result. Preserve the full returned value for downstream calculations and round only for presentation.
Assumptions and limitations
It does not supply national, regional, exchange, employer, or observed-holiday calendars. Weekend definitions and partial working days can differ by jurisdiction and organization.