Hi, I am trying to write a column on duration( hh:mm:ss ) to an excel file. My only problem is figuring out what format I should use. I am using the Excel::Writer::XLSX module. When I did a quick web search, I found that the correct way to define a duration is to use []( http://www.myonlinetraininghub.com/calculating-time-in-excel ). This works correctly when I do this in excel. But I need to use Perl to generate my spreadsheet because I have lots of data. This is a snippet of my code: 
    my $workbook = Excel::Writer::XLSX->new( 'build_results.xlsx' );
    my $worksheet = $workbook->add_worksheet();
    
    my $format = $workbook->add_format( num_format => '[hh]:mm:ss' );
    $worksheet->write_date_time( "A$col", '12:20:12', $format ); # i n
+eed this to be considered 12 hours 20 mins and 12 secs.

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I am new to Excel::Writer::XLSX and I am not even sure If I should be using write_date_time. If anyone can enlighten me, it would be greatly appreciated. Thanks.

In reply to Time duration using Excel::Writer::XLSX by dr.jekyllandme

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