encode_with

# File activesupport/lib/active_support/time_with_zone.rb, line 163
    def encode_with(coder)
      if coder.respond_to?(:represent_object)
        coder.represent_object(nil, utc)
      else
        coder.represent_scalar(nil, utc.strftime("%Y-%m-%d %H:%M:%S.%9NZ"))
      end
    end