18 instances from 3 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 01:23:48 01:23:54 01:24:01 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan 6 2 Jan 6, 2017 2 instances 15:37:19 16:05:39 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 03:33:13 03:38:50 Jul Aug Sep Oct 2 Nov 8 Dec 2016 - 9 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 3 Sep 19, 2016 3 instances 18:23:47 18:29:09 18:51:43 Oct 1 2 Oct 1, 2016 2 instances 03:02:40 03:09:15 3 3 Oct 3, 2016 3 instances 18:46:16 18:52:42 18:55:45 Nov Dec 29