Documentation for method month assembled from the following pages:
Role: Dateish §
From Dateish
(Dateish) method month §
Defined as:
method month(Date: --> Int)Returns the month of the date (1..12).
say Date.new('2015-12-31').month; # OUTPUT: «12» say DateTime.new(date => Date.new('2015-12-24'), hour => 1).month; # OUTPUT: «12»