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Lunar Calendar Month December 2015 (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 2015.

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 quarter2015-12-0302:40
new moon2015-12-1105:29
1st quarter2015-12-1810:14
full moon2015-12-2506:11

Apogee and perigee of the Moon

The following table shows the dates of perigee and apogee of the Moon during December 2015.

PositionDatesTimeDistanceNotes
Apogee2015-12-0509:57404,799 km
Perigee2015-12-2103:54368,417 km

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
Jupiter2015-12-04 01:21
Mars2015-12-05 21:40
Venus2015-12-07 11:55
Aldebaran2015-12-23 14:09
Regulus2015-12-29 15:30
Jupiter2015-12-31 12:55

Illumination of the Moon

The following table depicts the illumination of the Moon, calculated at 00:00, throughtout the 31 days of December 2015.

December 2015
wMondayTuesdayWednesdayThursdayFridaySaturdaySunday
Week 49
30Monday
 
1Tuesday
 
70.2% illuminated
Age:20.2
2Wednesday
 
60.8% illuminated
Age:21.1
3Thursday
 
51.2% illuminated
Age:22
4Friday
 
41.8% illuminated
Age:22.9
5Saturday
 
32.7% illuminated
Age:23.8
6Sunday
 
24.2% illuminated
Age:24.7
Week 50
7Monday
 
16.6% illuminated
Age:25.6
8Tuesday
 
10.1% illuminated
Age:26.5
9Wednesday
 
5% illuminated
Age:27.4
10Thursday
 
1.6% illuminated
Age:28.3
11Friday
 
0.1% illuminated
Age:29.3
12Saturday
 
0.6% illuminated
Age:0.7
13Sunday
 
3.4% illuminated
Age:1.7
Week 51
14Monday
 
8.3% illuminated
Age:2.7
15Tuesday
 
15.3% illuminated
Age:3.8
16Wednesday
 
24% illuminated
Age:4.8
17Thursday
 
34.2% illuminated
Age:5.9
18Friday
 
45.2% illuminated
Age:6.9
19Saturday
 
56.6% illuminated
Age:8
20Sunday
 
67.7% illuminated
Age:9.1
Week 52
21Monday
 
77.9% illuminated
Age:10.2
22Tuesday
 
86.7% illuminated
Age:11.3
23Wednesday
 
93.6% illuminated
Age:12.4
24Thursday
 
98% illuminated
Age:13.4
25Friday
 
99.9% illuminated
Age:14.5
26Saturday
 
99.3% illuminated
Age:15.5
27Sunday
 
96.4% illuminated
Age:16.6
Week 53
28Monday
 
91.5% illuminated
Age:17.5
29Tuesday
 
85% illuminated
Age:18.5
30Wednesday
 
77.3% illuminated
Age:19.4
31Thursday
 
68.7% illuminated
Age:20.3
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