my $start = '01/01/2006';
my $end = '12/31/2010';
my @fourth_tuesdays = ParseRecur("0:1*4:2:0:0:0", $start,$start,$end,);
my @last_workday_of_every_month = ParseRecur("0:1*0:-1:0:0:0*PWD", $start,$start,$end,);