History

Time	Change
2010-03-11 13:51:07+00:00	Created
2010-03-11 13:51:07+00:00	Associated with 秒
2014-05-15 08:33:14+00:00	Associated with second
2014-05-16 01:13:54+00:00	Associated with s
2014-05-16 01:14:05+00:00	Associated with sec
2017-05-11 16:04:44+00:00	Associated with 秒の整数部
2018-10-13 15:47:52+00:00	Associated with SI秒
2018-10-13 15:47:52+00:00	Associated with 暦秒