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How to convert time format from 12 hour to 24 hour and vice versa in Excel?

doc convert 12 hour to 24 hour 1

When you work on Excel in your daily work, you may use different time format under different conditions, such as 12 hour format and 24 hour format as following screenshot shown. But, how could you convert time format from 12 hour to 24 hour and vice versa in Excel?

Convert time format between 12 hour and 24 hour with formulas


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doc convert 12 hour to 24 hour 4

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arrow blue right bubble Convert time format between 12 hour and 24 hour with formulas


The following formulas can help you to convert the time format from 12 hour to 24 hour and vice versa.

Convert time format from 12 hour to 24 hour:

Please enter this formula: =TEXT(A2,"[hh]:mm:ss") into a blank cell where you want to output the result, and then drag the fill handle down to the cells that you want to apply this formula, and all the time format has been converted from 12 hour to 24 hour, see screenshot:

doc convert 12 hour to 24 hour 2

Convert time format from 24 hour to 12 hour:

To convert the time format from 24 hour to 12 hour, please type this formula: =TEXT(A2,"hh:mm:ss AM/PM") into a blank cell to locate the result, and drag the fill handle down to the cells that you want to contain this formula, and all the 24 hour time format cells have been converted to 12 hour format, see screenshot:

doc convert 12 hour to 24 hour 3


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  • To post as a guest, your comment is unpublished.
    Choi · 6 months ago
    the formula does not work in my pc, what seems to be the problem?
  • To post as a guest, your comment is unpublished.
    sunil kumar · 1 years ago
    70500 PM
    70800 PM
    70900 PM
    70800 PM
    83400 PM
    83700 PM
    83500 PM i want change timings 12hrs to 24 hrs but i can't able to change above mentioned timings kindly help me out on this
  • To post as a guest, your comment is unpublished.
    Vinesh · 2 years ago
    I want to add one general number and time. Eg. 12.45(general number) in one cell and 1.30(time) in another cell . when I add both the result showing 13.75. but I want the result in time as 14.15. is it possible?
    • To post as a guest, your comment is unpublished.
      skyyang · 2 years ago
      Hi, Vinesh,
      Sorry, this can not be solved in Excel worksheet.
      Thank you!
  • To post as a guest, your comment is unpublished.
    kush · 2 years ago
    When the formula is entered, it gives a circular reference warning and even after that 0400 shows as 400.
  • To post as a guest, your comment is unpublished.
    Majid Ali · 3 years ago
    thanks for share this formula.