    # File lib/active_support/values/time_zone.rb, line 243
        def parse(str, now=now)
          date_parts = Date._parse(str)
          return if date_parts.blank?
          time = Time.parse(str, now) rescue DateTime.parse(str)
          if date_parts[:offset].nil?
            ActiveSupport::TimeWithZone.new(nil, self, time)
          else
            time.in_time_zone(self)
          end
        end