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Excel 2007 EDATE Function
Calculate Due Dates with the EDATE Function

By , About.com Guide

Excel 2007 EDATE Function

Excel 2007 EDATE Function

© Ted French

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.

The syntax for the EDATE function is:

= EDATE ( Start_date , Months )

Start_date - the start date of the project or time period in question.

Months- the number of months before or after the Start_date.

Example using the EDATE Function

Note: For help with this example, see the image above.

  1. Enter the following data into the appropriate cell:

    D1 - Start Date:
    D2 - Months:
    E1 - 7/6/2009
    E2 - 7

    Note: If the date in cell E1 does not appear correct, check to see that the cell is formatted for dates.

  2. Click on cell E3 - the location where the results will be displayed.

  3. Click on the Formulas tab.

  4. Choose Date and Time functions > EDATE from the ribbon to bring up the function's dialog box.

  5. Click on the Start_date line in the dialog box.

  6. Click on cell E1 in the spreadsheet to enter that cell reference into the dialog box as the Start_date argument.

  7. Click on the Months line in the dialog box.

  8. Click on cell E2 in the spreadsheet to enter that cell reference into the dialog box as the Months argument.

  9. Click OK in the dialog box.

  10. The end date - 2/6/2010 appears in cell E3 which is 7 months after the start date.

  11. When you click on cell E3 the complete function = EDATE ( E1 , E2 ) appears in the formula bar above the worksheet.

Note: The EDATE function can also be used to find a date in the past - such as the day work began on a project. To do so enter a negative number for the Months argument and use the project's end date for the start_date argument.

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