Listed here are Excel functions that can be used to count the number of business days between two dates or find the start and end dates of a project given a set number of business days. These functions can be very useful for planning and when writing proposals to determine the time frame of a project. Several of the functions will automatically removes weekend days from the total. Specific holidays can be omitted as well.

### Excel NETWORKDAYS Function

The NETWORKDAYS function can be used to calculate the number of business days between the start date and end date of a project. This tutorial includes an example of calculating the number of business days between two dates using the NETWORKDAYS function in Excel.

The WORKDAY function can be used to calculate the end date or start date of a project for a given number of business days. This tutorial includes an example of calculating the end date of a project using the WORKDAY function in Excel. More »

The EDATE function can be used to calculate a due date of a project or investment that fall on the same day of the month as the date it was issued.This tutorial includes an example of calculating the due date of a project using the EDATE function in Excel. More »

The Excel DAYS360 Function can be used in accounting systems to calculate the number of days between two dates based on a 360-day year (twelve 30-day months). This tutorial includes an example that calculates the number of days between two dates using the DAYS360 function. More »

he DATEVALUE function can be used to convert a date that has been stored as text into a value that Excel recognizes. This might be done if data in a worksheet is to be filtered or sorted by date values or the dates are to be used calculations - such as when using the NETWORKDAYS or WORKDAY functions. More »