How to quickly convert UTC/GMT time to local time?

If you are working in an international company, you may need to know and deal with different local times of multiple zones. And to get the different local times, you need to use UTC/GMT time. Here this tutorial can tell you how to calculate the local time based on the UTC/GMT time in Excel.

UTC—Coordinated Universal Time

GMT -- Greenwich Mean Time

Convert UTC/GMT time to local time with formulas

Convert UTC/GMT time to local time with Kutools for Excel good idea3


Supposing there is a city—Tokyo whose local time is ahead 9 hours to GMT time, and you can convert the GMT time to its local time by following these steps:

1. Select a blank cell and enter the current GMT time into it, here take A2 for instances. To get the current GMT, you can take reference from this http://www.timeanddate.com/worldclock/
doc convert gmt to local time 1

2. Select a blank cell and enter one formula of below, and press Enter to get the local time. See screenshot:

=A2 + TIME(9,0,0)

=A2 + (9 / 24)
doc convert gmt to local time 2

Tips:

(1) In above formulas, 9 is the number of hours the local time ahead to GMT, and you can change it as you need, if the local time is backward to the GMT, you just can change the plus sign + to minus sign -.

(2) The formula =A2 + (9 / 24) will return a decimal number. For converting the decimal number to time, please select the decimal number, and click Home > Number Format > Time.


There is a handy tool – Formula Helper in Kutools for Excel, which includes multiple useful and powerful functions can help you do some complex calculation. And to convert GMT/UTC to local time, the Add hours to date of Formulas can do you a favor.

After free installing Kutools for Excel, please do as below:

1. Enter the GMT time into a blank cell, A2 for instance, and select a blank cell, B2, which will get the local time you want. See screenshot:
doc convert gmt to local time 3

2. Click Kutools > Formula Helper > Formula Helper, then in the popping Formulas Helper dialog, select Add hours to date from the Choose a formula list, and in Arguments input section, select the GMT time to Date Time textbox, and enter the time difference between local time and GMT time in to Number textbox. See screenshot:
doc convert gmt to local time 6 doc kutools add hours to time 2

3. Click Ok, and the local time has been gotten. See screenshot:
doc convert gmt to local time 5




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  • To post as a guest, your comment is unpublished.
    Henrik · 2 years ago
    Oh boy... Where do I start? Maybe simply by pointing out ...

    A) local time in many cases is not a simple offset throughout the whole year. ( DST, Daylight saving time )

    B) the local time definition may change from one year to the next due to political changes.
  • To post as a guest, your comment is unpublished.
    Kay · 3 years ago
    When UTC time is entered as a series of numbers (for example "1258119969"), you can use this formula to convert it to CST - [b]=(((D:D/60)/60)/24)+DATE(1970,1,1)-TIME(6,0,0)[/b] (where D equals the cell with the UTC time in it).

    [u][b]DateTimeUTC[/b][/u] [u][b]ConvertedTimeCST[/b][/u]
    1258119969 11/13/09 7:46 AM

    You can adjust for the time zone that you are in by changing the number is the TIME section. I have it set for CST so six hours are subtracted from the formula (GMT).

    I don't know if Kutools has a better way of doing this or not.
  • To post as a guest, your comment is unpublished.
    Kay · 3 years ago
    When UTC time is presented as a series of numbers (like this "1258119969" for example), use this formula - =(((D:D/60)/60)/24)+DATE(1970,1,1)-TIME(6,0,0) (where D equals the cell with the UTC time in it). Depending on what time zone you are in, you would adjust the TIME number. This example is for CST, so six hours was subtracted from the GMT formula.

    [u]DateTimeUTC[/u] [u]ConvertedTimeCST[/u]
    1258119969 11/13/09 7:46 AM

    I don't know if Kutools has a better way to do this or not.