12 instances from 7 years 2023 - 1 instance Jan Feb Mar Apr May 17 Jun Jul Aug Sep Oct Nov Dec 2022 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct 1 Nov Dec 2021 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov 6 Dec 2019 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct 26 Nov Dec 2017 - 4 instances Jan Feb Mar Apr May Jun 21 Jul Aug Sep 14 2 Sep 14, 2017 2 instances 15:56:30 16:37:32 Oct 3 Nov Dec 2016 - 3 instances Jan Feb Mar Apr May Jun Jul Aug Sep 20 Oct 1 Nov Dec 29 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 16