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How to quickly add hours/minutes/second to date and time in Excel?

For instance, you have a list of dates and times in a worksheet, and now you want to add the same hours/minutes/seconds to these cells which are mixed with date and time. You can use formulas to solve this task, but here I can tell you another trick to quickly attain this goal in Excel.



In Excel, generally, you may use the formulas to add hours, minutes or seconds to the datetime cells.

1. Select the cell next to the first cell of the datetime list, and then type this formula =A2+1/24 into it, press Enter key and drag the auto fill handle over the cell needed this formula. See screenshots.

doc add hour minute second 2
doc add hour minute second 3

2. Then right click to select Format Cells from the context menu. And in the Format Cells dialog, under Number tab, select Custom from the Category list, then type m/d/yyyy hh:mm:ss into the Type textbox. See screenshots:

doc add hour minute second 4doc add hour minute second 5

3. Click OK. Then you can see each date and time cell is added one hour.
doc add hour minute second 6

Notes:

1. If you want to add one minute to cell, use this formula:=A2+1/1440, if you want to add one second to cell, use this formula: =A2+1/86400.

2. In above formulas, 1 indicates to add one hour or one minute or one second, you can change it as you need.

3. If you want to add hours, minutes and second to a date simultaneously, you can use this formula =A2+TIME(23,23,34), this means to add 23 hours, 23 minutes and 34 seconds to a date cell. But with this formula, you cannot add time over 24 hours.


With above method is very easy, but here I can introduce another easier way to you, do you want to have a try?

To free install Kutools for Excel, you can go to the Formulas group to quickly find the formulas to add hours, minutes or seconds without remembering.

Kutools for Excel, with more than 300 handy functions, makes your jobs more easier. 

After installing Kutools for Excel, please do as below:(Free Download Kutools for Excel Now!)

1. Select a cell to put the adding result, and click Kutools > Formulas > Add hours to date. See screenshot:
doc add time 1

2. In the Formula Helper dialog, select the datetime cell to the Date Time box, then type the number of hours you want to add in the Number box. See screenshot:doc add hour minute second 8

3. Click Ok, then drag the autofill handle over cells needed the formula, see screenshot:
doc add hour minute second 9

4. Then right click to select Format Cells from the context menu, and in the Format Cells dialog, under Number tab, select Custom from the Category list, then type m/d/yyyy hh:mm:ss into the Type textbox. See screenshots:

doc add hour minute second 10 doc add hour minute second 11

5. Click OK. Now each cell has been added hours.
doc add hour minute second 12

Tip:

To add years/months/weeks/days/minutes or seconds, you can find the relative formulas form the Formulas group.
doc add time 2


Quickly remove time from date time formatting cells (1/20/2018 13:12:11 => 1/20/2018) in Excel

If you have a list of date time formatting cells, and you need to remove the time from the date time cells permanently and only keep the date format content in cells, for example, to remove 12:11:31 from 1/21/2017 12:11:31 and make it exactly 1/21/2017. How to quickly handle this job in Excel? With Kutools for Excel’s Commonly-used Formulas, you can quickly use the built-in formula to remove timestamp permanently from the date time formatting in Excel.  Click for 60 days free trial!
doc kte remove time from date
 
Kutools for Excel: with more than 300 handy Excel add-ins, free to try with no limitation in 60 days.
 
 
 
 

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  • To post as a guest, your comment is unpublished.
    sreesha · 4 months ago
    Thank you very much for this.
  • To post as a guest, your comment is unpublished.
    anonymous · 1 years ago
    it works well, thanks...
  • To post as a guest, your comment is unpublished.
    your name · 1 years ago
    looks nice, but not working, what version of excel are you presenting?
  • To post as a guest, your comment is unpublished.
    VIKAS · 1 years ago
    NICE IT WORKS THANK U
  • To post as a guest, your comment is unpublished.
    Mehran · 2 years ago
    this add in does not even work. I tried the exact example above and I just get errors.
    • To post as a guest, your comment is unpublished.
      Sunny · 1 years ago
      Could you give me a specific example?
    • To post as a guest, your comment is unpublished.
      Sunny · 1 years ago
      Thank u for ur remind.! I have corrected it. Thanks again.