if ( $today > $start 
 and $today < $stop 
 and $today != $notthisday[0]
 and $today != $notthisday[1]
 and $today != $notthisday[2] 
 and ( $day == $dayofmon[0] or $day == $dayofmon[1] )
) {
     print "$today is the day.";
}