Luxon is a date-time manipulation library created by one of the Moment.js developers to suit modern application requirements. Similar to Date-fns, Luxon offers data formatting and parsing functions.

Excel DATEVALUE is a Date and time function, and its purpose is to converts a date in the form of text to a serial number. Learn how to use it.

In the Select a Category section, click Date and Time. In the section Select a Function, click NETWORKDAYS from the list. Then, click OK. A Function Arguments dialog box will appear.