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I tried to google for a while but it seems to have no straight forward way to do this math.

For example, we have the date at B2 12/31/2012 and need to add 2 months to it and store value in B4. What is the direct formula to use? I rather not using any 3rd party addon(s).

3
  • 1
    It's unclear what you're trying to do. Can you provide an example?
    – gronostaj
    Jul 29, 2013 at 19:57
  • 1
    Using EDATE function as @Toni Toni Chopper answer below is what I'm looking for. Thank you!
    – Nam G VU
    Jul 30, 2013 at 6:20
  • 1
    Still, please improve you questions so other people with similar problem can find it and use that solution.
    – gronostaj
    Jul 30, 2013 at 9:35

1 Answer 1

5

http://office.microsoft.com/en-ie/excel-help/add-or-subtract-dates-HP010342155.aspx#BM5

You can use the EDATE function to quickly add or subtract a specific number of whole months to or from a date.

The EDATE function requires two values (also referred to as arguments): the start date and the number of months that you want to add or subtract. To subtract months, enter a negative number as the second argument (for example, =EDATE("2/15/10",-5). This formula results in the date 9/15/09.

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