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 06:42:30 06:42:33 06:43:15 06:48:26 13:30:37 14:16:33 20:37:31 Jul Aug Sep Oct Nov Dec 2017 - 12 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 04:00:05 04:00:12 04:02:09 04:02:16 04:02:50 04:02:57 Jul Aug Sep Oct Nov 2 2 Nov 2, 2017 2 instances 22:52:59 22:53:02 8 2 Nov 8, 2017 2 instances 16:16:53 16:16:56 Dec 25 2 Dec 25, 2017 2 instances 05:56:56 12:07:54