Lunar Calendar Month December 2013 (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 2013.

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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
new moon2013-12-0219:22
1st quarter2013-12-0910:12
full moon2013-12-1704:28
3rd quarter2013-12-2508:48

Apogee and perigee of the Moon

The following table shows the dates of perigee and apogee of the Moon during December 2013.

PositionDatesTimeDistanceNotes
Perigee2013-12-0405:16360,063 km
Apogee2013-12-1918:50406,267 km

Illumination of the Moon

The following table depicts the illumination of the Moon, calculated at 00:00, throughtout the 31 days of December 2013.

December 2013
wMondayTuesdayWednesdayThursdayFridaySaturdaySunday
Week 48
25Monday
 
26Tuesday
 
27Wednesday
 
28Thursday
 
29Friday
 
30Saturday
 
1Sunday
 
4.5% illuminated
4.5% illuminated
Age:27.5
Week 49
2Monday
 
0.9% illuminated
0.9% illuminated
Age:28.6
3Tuesday
 
0.1% illuminated
0.1% illuminated
Age:0.2
4Wednesday
 
2.1% illuminated
2.1% illuminated
Age:1.4
5Thursday
 
7% illuminated
7% illuminated
Age:2.5
6Friday
 
14.4% illuminated
14.4% illuminated
Age:3.7
7Saturday
 
23.6% illuminated
23.6% illuminated
Age:4.8
8Sunday
 
34.1% illuminated
34.1% illuminated
Age:5.9
Week 50
9Monday
 
45.1% illuminated
45.1% illuminated
Age:6.9
10Tuesday
 
56.1% illuminated
56.1% illuminated
Age:8
11Wednesday
 
66.5% illuminated
66.5% illuminated
Age:9
12Thursday
 
75.9% illuminated
75.9% illuminated
Age:9.9
13Friday
 
84.1% illuminated
84.1% illuminated
Age:10.9
14Saturday
 
90.7% illuminated
90.7% illuminated
Age:11.9
15Sunday
 
95.6% illuminated
95.6% illuminated
Age:12.8
Week 51
16Monday
 
98.7% illuminated
98.7% illuminated
Age:13.7
17Tuesday
 
100% illuminated
100% illuminated
Age:14.6
18Wednesday
 
99.4% illuminated
99.4% illuminated
Age:15.5
19Thursday
 
97% illuminated
97% illuminated
Age:16.4
20Friday
 
93% illuminated
93% illuminated
Age:17.3
21Saturday
 
87.4% illuminated
87.4% illuminated
Age:18.2
22Sunday
 
80.5% illuminated
80.5% illuminated
Age:19.1
Week 52
23Monday
 
72.4% illuminated
72.4% illuminated
Age:20
24Tuesday
 
63.4% illuminated
63.4% illuminated
Age:20.9
25Wednesday
 
53.7% illuminated
53.7% illuminated
Age:21.8
26Thursday
 
43.5% illuminated
43.5% illuminated
Age:22.8
27Friday
 
33.3% illuminated
33.3% illuminated
Age:23.7
28Saturday
 
23.5% illuminated
23.5% illuminated
Age:24.8
29Sunday
 
14.7% illuminated
14.7% illuminated
Age:25.8
Week 1
30Monday
 
7.4% illuminated
7.4% illuminated
Age:26.9
31Tuesday
 
2.4% illuminated
2.4% illuminated
Age:28.1
1Wednesday
 
2Thursday
 
3Friday
 
4Saturday
 
5Sunday
 
6Monday
 
7Tuesday
 
8Wednesday
 
9Thursday
 
10Friday
 
11Saturday
 
12Sunday
 
Content last updated on 2015-06-29