+ # some systmes don't handle or mishandle %z, so be creative.
+ my $t = shift || time;
+ my $gm = timelocal(gmtime($t));
+ my $sign = qw( + + - )[ $t <=> $gm ];
+ my $gmoff = sprintf("%s%02d%02d", $sign, (gmtime(abs($t - $gm)))[2,1]);
+ return strftime("%Y-%m-%d %H:%M:%S $gmoff (%a, %d %b %Y)", localtime($t));