> For the complete documentation index, see [llms.txt](https://docs.keyfax.biz/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.keyfax.biz/product-suite/admin/databox-examples/business-days.md).
# Business Days
How to add business days to today's date.
Demonstrates how to calulcate business / working days. Please check with Omfax Systems support before following this guide as this example below relies on...
* The `syHolidays` table being populated with all public holidays
* The SQL function `fn_DueDate` being present (possibly not the case in older Keyfax versions)
Two script steps demonstrate this; the first asks for the number of business days and stores it in a Databox named Script.Business Days:
Example script demonstrating Business Days calculation
This [SQL Query](/product-suite/admin/entities/databoxes/sql-query.md) Databox executes the function `fn_DueDate`, supplying the Databox above and a country code (**EN**gland). The expression **PlusBusinessDays** is the one of interest:
