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  1. #1
    New Lounger
    Join Date
    Jul 2006
    Thanked 0 Times in 0 Posts

    Time Calculation (Access 2003)

    I am in need of finding out how to calculate time over 24 hours. Is there a certain formula I need to use either in a query or a report to make this happen?

  2. #2
    Plutonium Lounger
    Join Date
    Mar 2002
    Thanked 31 Times in 31 Posts

    Re: Time Calculation (Access 2003)

    Unlike Excel, Access has no number format for displaying cumulative time. But it can calculate times over 24 hours without problems. The key to understanding how it works is that dates and times are stored with 1 day (24 hours) as unit. So 6:00 is stored as 0.25 and 15:00 as 0.625. If you multiply a time by 24, you'll get the number of hours, but you must display it as a number, not as a time.

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