Thread: Formula to add 12 months to an existing date field
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Dave Peterson Dave Peterson is offline
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Default Formula to add 12 months to an existing date field
=date(year(a1)+1,month(a1),day(a1))

If the date is February 29, then you'll get March 1, though.

Steve 084 wrote:

I am a novice Excel user. In field A1 I have the date 12/1/08. I would like
to know a formula that automatically would add 12 months to this date i.e.
12/1/09 in field A2.

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Dave Peterson
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