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  1. #1
    3 Star Lounger
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    I have a time series that begins before 1900. I need to use some of the date functions and arithmetic. Has anyone already come up with a solution for this? If not, I'll have to find a work around.

    thanks,
    Cathy

  2. #2
    Plutonium Lounger
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    Mar 2002
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    Excel itself can't handle dates before 1900. You can only store them as text.

    John Walkenbach has created a free add-in that lets you manipulate dates before 1900 in Excel. See Extended Date Functions.

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