History

Time	Change
2012-03-20 02:02:38+00:00	Associated with うるう秒
2012-03-20 02:02:38+00:00	Associated with leap second
2014-05-15 08:39:11+00:00	Associated with 正閏秒
2014-05-15 08:39:11+00:00	Associated with 負閏秒
2014-05-15 08:39:11+00:00	Associated with negative leap second
2014-05-15 08:39:11+00:00	Associated with positive leap second
2014-05-18 13:14:16+00:00	Associated with Bulletin C
2014-05-18 13:14:16+00:00	Associated with IERS Bulletin C
2016-07-20 09:34:20+00:00	Associated with 閏秒のないUTC
2016-07-20 09:34:44+00:00	Associated with 閏秒の無いUTC
2016-07-28 23:14:34+00:00	Disassociated from 閏秒の無いUTC
2016-07-28 23:14:34+00:00	Disassociated from 閏秒のないUTC
2021-01-14 11:30:11+00:00	Associated with 逆うるう秒
2021-01-14 11:42:23+00:00	Associated with 逆閏秒
2021-01-16 03:10:49+00:00	Associated with 閏秒デマ