Moon calendar
December 2121
- 1 Last qtr
- 2 43%
- 3 34%
- 4 26%
- 5 18%
- 6 11%
- 7 6%
- 8 2%
- 9 New
- 10 1%
- 11 3%
- 12 8%
- 13 15%
- 14 24%
- 15 34%
- 16 First qtr
- 17 56%
- 18 67%
- 19 78%
- 20 86%
- 21 93%
- 22 98%
- 23 Full
- 24 99%
- 25 97%
- 26 92%
- 27 86%
- 28 79%
- 29 70%
- 30 61%
- 31 Last qtr
- Moon phase
- Perigee or apogee
- Eclipse
- Planets
- Equinox or solstice
Events in December 2121
-
1:10 AM
Moon and Jupiter close together
They pass 4.5° apart in the sky.
-
6:39 PM
Last Quarter
Half of the disc is lit. The Moon rises around midnight and is up through the morning.
-
Apogee
The Moon's farthest point from Earth on this orbit: 404,800 km.
-
11:36 AM
Venus behind the Sun
On the far side of the Sun and lost in its glare.
-
11:40 PM
Mercury and Mars close together
They pass 1.4° apart in the sky.
-
7:47 PM
New Moon
The Moon passes between Earth and the Sun and cannot be seen. These are the darkest nights of the month.
-
8:56 PM
Moon and Venus close together
They pass 2.3° apart in the sky.
-
6:59 AM
Moon and Mars close together
They pass 0.2° apart in the sky.
-
7:21 AM
Mars, Mercury, and Moon gathered
All within 2.3° of each other in the sky.
-
10:51 AM
Moon and Mercury close together
They pass 1.7° apart in the sky.
-
8:39 AM
Mercury at greatest elongation
21° from the Sun in the evening sky, its best showing after sunset.
-
11:05 PM
First Quarter
Half of the disc is lit. The Moon is high at sunset and sets around midnight.
-
Perigee
The Moon's closest point to Earth on this orbit: 369,400 km.
-
5:10 PM
December solstice
The shortest day in the northern hemisphere and the longest in the southern.
-
8:05 PM
Full Moon
The whole disc is lit. The Moon rises around sunset and stays up all night.
-
8:17 PM
Penumbral lunar eclipse
The Moon passes through Earth's faint outer shadow and dims slightly.
-
8:01 PM
Moon and Saturn close together
They pass 0.5° apart in the sky.
-
11:44 AM
Moon and Uranus close together
They pass 1.3° apart in the sky.
-
11:27 PM
Mercury and Mars close together
They pass 1.5° apart in the sky.
-
10:18 AM
Moon and Jupiter close together
They pass 4.8° apart in the sky.
-
12:16 AM
Mars, Mercury, and Venus gathered
All within 7.2° of each other in the sky.
-
6:04 AM
Mercury and Venus close together
They pass 2.7° apart in the sky.
-
Apogee
The Moon's farthest point from Earth on this orbit: 404,400 km.
-
4:17 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.