I have an Excel sheet that contains time-stamped tweet data. I know the timestamp has millisecond resolution because I can see it when I format the column properly in Excel.

Now I am trying to read the sheet via Win32::OLE like so: 

use strict;
use feature ':5.10';
use Win32::OLE qw(in with CP_UTF8);
Win32::OLE->Option(CP => CP_UTF8);
use Win32::OLE::Const 'Microsoft Excel';
use Win32::OLE::Variant;
use Win32::OLE::NLS qw(:LOCALE :DATE);
$Win32::OLE::Warn = 3;                                # die on errors.
+..
my $Excel = Win32::OLE->GetActiveObject('Excel.Application') || Win32:
+:OLE->new('Excel.Application', 'Quit');  # get already active Excel
$Excel->{'Visible'} = 1;
my $Book = $Excel->Workbooks->Open("mybook.xlsx"); # open Excel file -
+- requires explicit DOS path
my $Sheet = $Book->Worksheets(1); # name or number
my $lastrow = $Sheet->UsedRange->Find({What=>"*",SearchDirection=>xlPr
+evious,SearchOrder=>xlByRows})->{Row};
my $sheetdate = Variant(VT_DATE,$Sheet->Range("A5")->{'Value'});
my $date = $sheetdate->Date(DATE_LONGDATE);

[download]
This results in $date containing a timestamp string in the format YYYY-MM-DD HH:MM:SS. Does anyone know how to get milliseconds included in the timestamp? I suppose it requires something other than DATE_LONGDATE (which I learned about at this helpful node) in the last line, but I can't find alternative arguments to the Date method. Does anyone know where to find?

In reply to Win32::OLE Excel how to get milliseonds from date variant? by cormanaz

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