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Excell Date Math

Discussion in 'Business Applications' started by hillrp, Sep 5, 2004.

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  1. hillrp

    hillrp Thread Starter

    Joined:
    Sep 5, 2004
    Messages:
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    Is there a way to enter a simple formula or routine in Excell to subtract one date/time from another and get a result in hours:minutes? I have tried several formulas, and got one that works 99% of the time, except when the same number of minutes is in both dates. When that occurrs, the hour is one less. My formula is:

    =CONCATENATE(INT((B1-A1)*1440/60),":",IF(MINUTE(B1)-MINUTE(A1)<0,MINUTE(B1)-MINUTE(A1)+60,MINUTE(B1)-MINUTE(A1)))
     
  2. maxflia10

    maxflia10

    Joined:
    Feb 24, 2003
    Messages:
    331
    Try,

    B1-A1 and custom format the cell that houses the formula as [h]:mm
     
  3. Zack Barresse

    Zack Barresse

    Joined:
    Jul 25, 2004
    Messages:
    5,452
    The only thing you'll need to watch for (using maxflia's solution - which is brilliantly simple :) ) is having A1 greater than B1. If this is possible you may want to look into a possible IF function integration ...

    =IF(A1>B1,"Out of Range",B1-A1)

    HTH
     
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