OK I can make that work the way you showed, but I am still wondering why days_between only shows up when I use Data::Dumper. Nevermind I got it working: with: Thx agn!

for my $k (keys %GSPmsgHash) {
    print "$k =>\n";
    for my $v (values %{$GSPmsgHash{$k}} ) {
        print " $v\n";
    }
}
[download]