CODE EXAMPLE FOR RUBY

generate dates using period rails

date_range = (Date.parse('2019-01-05')..Date.parse('2019-03-01'))
date_range.uniq { |d| d.month }
# => [Sat, 05 Jan 2019, Fri, 01 Feb 2019]
date_range.uniq { |d| d.cweek }
# => [Sat, 05 Jan 2019, Mon, 07 Jan 2019, Mon, 14 Jan 2019, Mon, 21 Jan 2019, Mon, 28 Jan 2019, Mon, 04 Feb 2019, Mon, 11 Feb 2019, Mon, 18 Feb 2019, Mon, 25 Feb 2019]