use Win32::OLE::Variant;

  sub DateSerial {
      my($year,$month,$day) = @_;
      return Variant(VT_BSTR, "$month/$day/$year")->As(VT_DATE);
  }

##</code><code>##

  use Win32::OLE::NLS qw(:DEFAULT :LANG :SUBLANG);

  my $english = MAKELCID( MAKELANGID(LANG_ENGLISH, SUBLANG_NEUTRAL) );
  Win32::OLE->Option(LCID => $english);