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Lunar Calendar Month December 2020 (United States)

The Moon is the only natural satellite of the Earth and the fifth largest moon in the Solar System. It is the largest natural satellite in the solar system relative to the size of its planet. The following is information specific for Washington, District of Columbia, United States during December 2020.

Choose a country from the list to get relevant information:

Date and time of moon phases

The information in the following table comes from calculations published by the Astronomical Applications Department of the U.S. Naval Observatory.

Moon phasesDatesTime
3rd quarter2020-12-0719:36
new moon2020-12-1411:16
1st quarter2020-12-2118:41
full moon2020-12-2922:28

Apogee and perigee of the Moon

The following table shows the dates of perigee and apogee of the Moon during December 2020.

PositionDatesTimeDistanceNotes
Perigee2020-12-1215:43361,776 km
Apogee2020-12-2411:33405,009 km

Eclipses in December 2020

The following is information about eclipses occuring worldwide during December 2020. The eclipses listed here may be totally visible, partly visible or not visible in any part of United States.

TypeDatesSarosNotes
solar eclipse2020-12-14142

Moon-Planet Conjunctions

A Moon-planet conjunction occurs when an astronomical object has either the same, or nearly the same, right ascension or the same ecliptic longitude of that of the Moon, as observed from Earth.

Astronomical ObjectsDate and Time
Beehive2020-12-04 20:10
Venus2020-12-12 15:40
Jupiter2020-12-16 23:28
Saturn2020-12-17 00:25

Illumination of the Moon

The following table depicts the illumination of the Moon, calculated at 00:00, throughtout the 31 days of December 2020.

December 2020
wMondayTuesdayWednesdayThursdayFridaySaturdaySunday
Week 49
30Monday
 
1Tuesday
 
99.4% illuminated
Age:15.5
2Wednesday
 
96.9% illuminated
Age:16.4
3Thursday
 
92.5% illuminated
Age:17.4
4Friday
 
86.3% illuminated
Age:18.3
5Saturday
 
78.5% illuminated
Age:19.3
6Sunday
 
69.3% illuminated
Age:20.3
Week 50
7Monday
 
58.9% illuminated
Age:21.3
8Tuesday
 
47.9% illuminated
Age:22.3
9Wednesday
 
36.8% illuminated
Age:23.4
10Thursday
 
26.1% illuminated
Age:24.5
11Friday
 
16.5% illuminated
Age:25.6
12Saturday
 
8.6% illuminated
Age:26.7
13Sunday
 
3.1% illuminated
Age:27.9
Week 51
14Monday
 
0.3% illuminated
Age:29
15Tuesday
 
0.4% illuminated
Age:0.6
16Wednesday
 
3.2% illuminated
Age:1.7
17Thursday
 
8.4% illuminated
Age:2.8
18Friday
 
15.4% illuminated
Age:3.8
19Saturday
 
23.7% illuminated
Age:4.8
20Sunday
 
32.8% illuminated
Age:5.7
Week 52
21Monday
 
42.4% illuminated
Age:6.7
22Tuesday
 
52% illuminated
Age:7.6
23Wednesday
 
61.4% illuminated
Age:8.5
24Thursday
 
70.3% illuminated
Age:9.4
25Friday
 
78.5% illuminated
Age:10.2
26Saturday
 
85.8% illuminated
Age:11.1
27Sunday
 
91.8% illuminated
Age:12
Week 53
28Monday
 
96.3% illuminated
Age:12.9
29Tuesday
 
99.1% illuminated
Age:13.9
30Wednesday
 
100% illuminated
Age:14.8
31Thursday
 
98.8% illuminated
Age:15.8
1Friday
 
2Saturday
 
3Sunday
 
4Monday
 
5Tuesday
 
6Wednesday
 
7Thursday
 
8Friday
 
9Saturday
 
10Sunday
 
11Monday
 
12Tuesday
 
13Wednesday
 
14Thursday
 
15Friday
 
16Saturday
 
17Sunday
 
Content last updated on 2018-10-21T17:33:00Z