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.

### Excel NETWORKDAYS.INTL Function

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 »