# File lib/tzinfo/tzdataparser.rb, line 114 def self.parse_month(month) lower = month.downcase if lower =~ /^jan/ @month = 1 elsif lower =~ /^feb/ @month = 2 elsif lower =~ /^mar/ @month = 3 elsif lower =~ /^apr/ @month = 4 elsif lower =~ /^may/ @month = 5 elsif lower =~ /^jun/ @month = 6 elsif lower =~ /^jul/ @month = 7 elsif lower =~ /^aug/ @month = 8 elsif lower =~ /^sep/ @month = 9 elsif lower =~ /^oct/ @month = 10 elsif lower =~ /^nov/ @month = 11 elsif lower =~ /^dec/ @month = 12 else raise "Invalid month: #{month}" end end