| Moon Phase |
Day |
Phenomenon |
Hour (UT) |
Hour (EST) |
 |
1 |
Jupiter is at opposition, that is, Jupiter and the Sun are aligned on opposite sides of the Earth. |
0600 | 1 am |
 |
2 |
The Moon is at its perigee, or closest point to Earth in its monthly orbit. |
0700 | 2 am |
 |
2 |
Earth is at its perihelion, or closest point to the Sun in its yearly orbit. |
1400 | 9 am |
 |
6 |
LAST QUARTER |
0400 | 11 pm (Jan. 5) |
 |
8 |
Pallas, the second-largest asteroid, is in conjunction with the Sun, that is, Pallas and Earth are aligned on opposite sides of the Sun. |
2200 | 5 pm |
 |
9 |
Mercury is 1 degree 3 minutes south of Neptune. |
0500 | 12 am (midnight) |
 |
11 |
Mercury is at its greatest elongation, or angular distance from the Sun, at 19 degrees east of the Sun |
2300 | 6 pm |
 |
13 |
NEW MOON |
1300 | 8 am |
 |
14 |
Venus is in superior conjunction, that is, Venus and Earth are aligned on opposite sides of the Sun. |
1200 | 7 am |
 |
15 |
Mercury is 4 degrees north of the Moon. |
0200 | 9 pm (Jan. 14) |
 |
15 |
Uranus is 4 degrees north of the Moon. |
2200 | 5 pm
|
 |
16 |
Vesta, the third-largest asteroid, appears to be motionless in the sky as its apparent backward, or retrograde, motion changes back to direct motion. |
1700 | 12 pm (noon) |
 |
18 |
Mercury appears to be motionless in the sky as its direct motion changes to apparent backward, or retrograde, motion. |
0900 | 4 am |
 |
18 |
The Moon is at its apogee, or farthest point from Earth in its monthly orbit. |
0900 | 4 am |
 |
18 |
Mars is 5 degrees north of the Moon. |
2200 | 5 pm |
 |
21 |
FIRST QUARTER |
1800 | 1 pm |
 |
24 |
Saturn is 0 degrees 8 minutes south of the Moon. Saturn is occulted, or hidden from view, by the Moon. |
1600 | 11 am |
 |
26 |
Jupiter is 0 degrees 9 minutes south of the Moon. Jupiter is occulted, or hidden from view, by the Moon. |
1900 | 2 pm |
 |
27 |
Mercury is in inferior conjunction, that is, the Sun and the Earth are aligned on opposite sides of Mercury. |
1900 | 2 pm |
 |
28 |
Neptune is in conjunction with the Sun, that is, Neptune and Earth are aligned on opposite sides of the Sun. |
1400 | 9 am |
 |
28 |
FULL MOON |
2300 | 6 pm |
 |
30 |
The Moon is at its perigee, or closest point to Earth in its monthly orbit. |
0900 | 4 am |