What this calculator does
Working days works out counts weekdays between two dates, less any holidays. Enter your own figures above and the answer updates as you type: nothing is fixed in the code, so the result reflects exactly the numbers you supply.
The formula this calculator evaluates is printed under the tool and explained below, so you can check the working by hand or reuse it in a spreadsheet.
The formula
FormulaBusiness days = total days − weekend days − holidays falling on a weekday
The inputs explained
| Field | What to enter |
|---|---|
| Start date | A calendar date. |
| End date | A calendar date. |
| Public holidays in the period | A number. Starts at 0. |
Worked examples
Every figure in the tables below is produced by this page’s own calculator at build time, so the numbers and the tool always agree. Select any row to load that scenario.
How the answer changes with public holidays in the period
Every other input is held at the calculator’s starting values while public holidays in the period varies. Select any row to load that scenario into the calculator.