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 07:56:36 07:56:40 07:57:28 07:57:32 08:05:06 08:05:09 21:00:58 Jul Aug Sep Oct Nov Dec 2017 - 12 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 11:10:52 11:19:40 11:29:20 12:09:15 15:06:05 15:47:23 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 05:10:04 05:10:11 Nov 2 2 Nov 2, 2017 2 instances 20:15:32 20:15:34 Dec 25 2 Dec 25, 2017 2 instances 06:52:06 06:52:09