History

Time	Change
2016-11-02 10:21:14+00:00	Created
2016-11-02 10:21:14+00:00	Associated with 江戸時間
2016-11-02 10:21:14+00:00	Associated with 江戸時代の時刻
2018-05-15 06:18:03+00:00	Associated with 日本の旧時刻制度
2019-04-14 06:43:47+00:00	Associated with 日本の時刻制度