sub w{printf"\e[%s;%sH\e[$_[0]m%s\e[15;7H%02d:%02d:%02d %02d/%02d$/",t((
$n-3)%12),2*t($n),$r<3?".":$n,@o[2,1,0,3],$o[4]+1}print"\ec";while(sleep
1){@o=localtime;for$r(1..3){for$n(1..12){w}$q=$o[3-$r];$n=($r<2?$q:$q/5)
%12||12;w 31}w}sub t{$r*($_[0]>5?-1:1)*(($d=$_[0]%6)?($d-1)%4?2:1:0)+7}