Calendar Categories Astronomy Lunar Meteor Shower Solar System Terrestrial Week Agenda Day Month Week Week of December 15 15 Sun 16 Mon 17 Tue 18 Wed 19 Thu 20 Fri 21 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 22:19 Winter solstice Winter solstice Dec 21 @ 22:19 – 22:19 Tickets Week of December 15