Moon calendar
December 1991
- 1 19%
- 2 12%
- 3 6%
- 4 2%
- 5 New
- 6 0%
- 7 2%
- 8 6%
- 9 11%
- 10 18%
- 11 25%
- 12 34%
- 13 43%
- 14 First qtr
- 15 63%
- 16 73%
- 17 82%
- 18 90%
- 19 96%
- 20 99%
- 21 Full
- 22 98%
- 23 92%
- 24 85%
- 25 75%
- 26 65%
- 27 Last qtr
- 28 43%
- 29 33%
- 30 24%
- 31 16%
- Moon phase
- Perigee or apogee
- Eclipse
- Planets
- Equinox or solstice
Events in December 1991
-
5:18 AM
Moon and Mars close together
They pass 2.8° apart in the sky.
-
10:57 PM
New Moon
The Moon passes between Earth and the Sun and cannot be seen. These are the darkest nights of the month.
-
9:18 AM
Moon and Mercury close together
They pass 2.7° apart in the sky.
-
8:30 AM
Moon and Uranus close together
They pass 0.6° apart in the sky.
-
9:50 AM
Mercury at inferior conjunction
Passes between Earth and the Sun and is lost in its glare.
-
2:42 PM
Moon and Neptune close together
They pass 0.2° apart in the sky.
-
2:50 PM
Moon, Neptune, and Uranus gathered
All within 3.2° of each other in the sky.
-
Apogee
The Moon's farthest point from Earth on this orbit: 405,800 km.
-
3:48 AM
Moon and Saturn close together
They pass 2.7° apart in the sky.
-
4:01 AM
Mercury and Mars close together
They pass 2.9° apart in the sky.
-
4:32 AM
First Quarter
Half of the disc is lit. The Moon is high at sunset and sets around midnight.
-
5:23 AM
Full Moon
The whole disc is lit. The Moon rises around sunset and stays up all night.
-
5:33 AM
Partial lunar eclipse
Part of the Moon passes through Earth's dark inner shadow.
-
3:53 AM
December solstice
The shortest day in the northern hemisphere and the longest in the southern.
-
Perigee
The Moon's closest point to Earth on this orbit: 358,300 km.
-
3:19 PM
Mercury at greatest elongation
22° from the Sun in the morning sky, its best showing before sunrise.
-
8:55 PM
Last Quarter
Half of the disc is lit. The Moon rises around midnight and is up through the morning.
Times are local to America/New York. Each Moon is drawn as it looks at midday.