my %MONTH_NAMES = ( "Jan" => '01',  "Feb"=> '02',  "Mar" => '03', "Apr"=> '04',"May" => '05',  "Jun" => '06', "Jul" => '07', "Aug" => '08',  "Sep" => '09', "Oct" => '10', "Nov" => '11', "Dec" => '12' );

##</code><code>##

 if(m/notBefore/) {
   chomp; ($notB1, $notB2) = split('=', $_);
   $notB2 =~ tr/:/ /;
   my($mon,$mday,$hour,$minute,$sec,$year)=split(/ /,$notB2);
   #print $mon, $mday, $hour, $minute, $sec, $year;
   $time_1 = timelocal($sec,$minute,$hour,$mday,$MONTH_NAMES{$mon},$year);
   print $MONTH_NAMES{$mon};
 }