Calendar Categories Astronomy Lunar Meteor Shower Solar System Terrestrial Week Agenda Day Month Week Week of September 22 22 Sun 23 Mon 24 Tue 25 Wed 26 Thu 27 Fri 28 Sat All-day 00:00 01:00 02:00 03:00 04:00 05:00 06:00 07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 02:50 Autumnal Equinox Autumnal Equinox Sep 23 @ 02:50 – 02:50 Tickets Week of September 22