sub sec_to_dhms_sensible2
{
    use integer;
    local $_ = shift;
    my ($d, $h, $m, $s);
    $s = $_ % 60; $_ /= 60;
    $m = $_ % 60; $_ /= 60;
    $h = $_ % 24; $_ /= 24;
    $d = $_;
    return ($d, $h, $m, $s);
}