Calendar Categories Astronomy Lunar Meteor Shower Solar System Terrestrial Agenda Agenda Day Month Week May – June 2019 May – Jun 2019 Collapse All Expand All May 11 Sat National Astronomy Day (Spring) Tickets May 11 all-day May 18 Sat Venus @ conj w/Uranus (AM) Tickets May 18 @ 04:38 – 04:38 Uranus rises : 0438 Venus rises : 0441 Sun rises : 0550 Jun 10 Mon Jupiter @ opposition Tickets Jun 10 @ 10:28 – 10:28 Jun 18 Tue Mercury @ conj w/Mars (PM) Tickets Jun 18 @ 19:51 – 19:51 Sun sets : 1951 Mars sets : 2133 Mercury sets : 2135 Jun 30 Sun International Asteroid Day Tickets Jun 30 all-day May – June 2019 May – Jun 2019