Documentation for method day-of-week assembled from the following pages:
Role: Dateish §
From Dateish
(Dateish) method day-of-week §
Defined as:
method day-of-week(Date: --> Int)Returns the day of the week, where 1 is Monday, 2 is Tuesday and Sunday is 7.
say Date.new('2015-12-31').day-of-week; # OUTPUT: «4» say DateTime.new(date => Date.new('2015-12-24'), hour => 1).day-of-week; # OUTPUT: «4»