Mercury is at perihelion at 14:35 UT, 25th December 2016.
Lunar apogee in the constellation Libra is at 06:03 UT, 25th December 2016.
The last quarter Moon passes north of Spica at 21:30 UT, 22nd December 2016.
The last quarter Moon passes north of Jupiter at ~17:15 UT, 22nd December 2016.
The Sun enters the zodiac sign of Capricorn at 10:44 UT, 21st December 2016.
Winter Solstice is at 10:44 UT, 21st December 2016.
Last Quarter Moon in the constellation Virgo is at 01:56 UT, 21st December 2016.
Mercury is stationary, assuming retrograde motion, in the constellation Sagittarius at ~06:45 UT, 19th December 2016
The waning gibbous Moon passes south of Regulus at ~18:10 UT, 18th December 2016
Maximum easterly lunar libration is at 14:51 UT, 18th December 2016.