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  1. #1
    Star Lounger
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    Negativ Dates & Times (XP)

    A collegue of mine is calculating with worked hours and gets negative Values from time to time. excel does not show the results, but delivers "#########". Is it possible to change tis behaviour?

  2. #2
    Plutonium Lounger
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    Re: Negativ Dates & Times (XP)

    One possibility is to tick the "1904 date system" check box in the Calculation tab of Tools | Options... This is a workbook-level setting, it can be ticked in one workbook and clear in another one. In the 1904 date system, you can perform calculations with negative time and date values.

    Be aware that all dates already entered in the workbook will shift by 4 years if you switch to the 1904 date system.

    Another possibility is to store the absolute difference between times or dates in one cell, and use another cell to specify whether the difference is to be counted as positive or negative.

  3. #3
    Star Lounger
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    Re: Negativ Dates & Times (XP)

    Thanks. It works!

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