Calendar Categories Astronomy Lunar Meteor Shower Solar System Terrestrial Agenda Agenda Day Month Week February – May 2019 Feb – May 2019 Collapse All Expand All Feb 19 Tue Mercury @ conj w/Neptune (PM) Tickets Feb 19 @ 17:37 – 17:37 Sun sets : 1737 Neptune sets : 1843 Mercury sets : 1849 Mar 20 Wed Vernal Equinox Tickets Mar 20 @ 16:58 – 16:58 Apr 2 Tue Mercury @ conj w/Neptune (AM) Tickets Apr 2 @ 05:28 – 05:28 Mercury rises : 0528 Neptune rises : 0530 Sun rises : 0634 Apr 9 Tue Venus @ conj w/Neptune (AM) Tickets Apr 9 @ 05:01 – 05:01 Venus rises : 0501 Neptune rises : 0503 Sun rises : 0626 May 11 Sat National Astronomy Day (Spring) Tickets May 11 all-day February – May 2019 Feb – May 2019