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retiredoldguy101's avatar
retiredoldguy101
Copper Contributor
Aug 18, 2024
Solved

time data changing when using the Time formatting options

I am NEW to Excel and have a problem with Time values.  I have the following formula in a block (=SUM(F9+I9+L9+O9+R9+U9+X9)) which total times from the columns.  The columns contain the elapsed time ...
  • Riny_van_Eekelen's avatar
    Aug 18, 2024

    retiredoldguy101 

    Use the custom format [hh]:mm:s 

    The square brackets around hh tell Excel to display a duration, not clock time.

     

    Why? 40 hours equals 1 day plus 16 hours. Formatted a time that becomes the numerical value of 1.66666667 (i.e. 1 day + ⅔ of a day. Format this to TIME and the formula bar will display 01/01/1900 16:00:00 and the cell will display 16:00.

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