21 instances from 4 years 2021 - 1 instance Jan Feb Mar 20 Apr May Jun Jul Aug Sep Oct Nov Dec 2019 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep 18 Oct Nov Dec 2018 - 7 instances Jan Feb Mar Apr May Jun 21 7 Jun 21, 2018 7 instances 07:58:37 07:58:41 07:59:30 07:59:34 08:07:07 08:07:11 21:01:35 Jul Aug Sep Oct Nov Dec 2017 - 12 instances Jan Feb Mar Apr May Jun 21 4 Jun 21, 2017 4 instances 02:56:19 04:15:52 04:17:43 04:18:21 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 05:12:54 05:13:06 Nov 2 2 Nov 2, 2017 2 instances 23:08:56 23:08:58 8 2 Nov 8, 2017 2 instances 13:23:11 13:23:13 Dec 25 2 Dec 25, 2017 2 instances 06:54:19 06:54:22