prelude: | require 'time' inspect = "2021-08-23 09:57:02 +0900" iso8601 = "2021-08-23T09:57:02+09:00" benchmark: - Time.iso8601(iso8601) - Time.parse(iso8601) - Time.parse(inspect) - Time.new(iso8601) rescue Time.iso8601(iso8601) - Time.new(inspect) rescue Time.parse(inspect)