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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.

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
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

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
Saturn2013-12-01 05:13
Aldebaran2013-12-15 21:45
Mars2013-12-25 21:45
Spica2013-12-26 21:10
Saturn2013-12-28 20:42

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
25 Monday
 
26 Tuesday
 
27 Wednesday
 
28 Thursday
 
29 Friday
 
30 Saturday
 
1 Sunday
 
4.5% illuminated
4.5% illuminated
Age: 27.5
Week 49
2 Monday
 
0.9% illuminated
0.9% illuminated
Age: 28.6
3 Tuesday
 
0.1% illuminated
0.1% illuminated
Age: 0.2
4 Wednesday
 
2.1% illuminated
2.1% illuminated
Age: 1.4
5 Thursday
 
7% illuminated
7% illuminated
Age: 2.5
6 Friday
 
14.4% illuminated
14.4% illuminated
Age: 3.7
7 Saturday
 
23.6% illuminated
23.6% illuminated
Age: 4.8
8 Sunday
 
34.1% illuminated
34.1% illuminated
Age: 5.9
Week 50
9 Monday
 
45.1% illuminated
45.1% illuminated
Age: 6.9
10 Tuesday
 
56.1% illuminated
56.1% illuminated
Age: 8
11 Wednesday
 
66.5% illuminated
66.5% illuminated
Age: 9
12 Thursday
 
75.9% illuminated
75.9% illuminated
Age: 9.9
13 Friday
 
84.1% illuminated
84.1% illuminated
Age: 10.9
14 Saturday
 
90.7% illuminated
90.7% illuminated
Age: 11.9
15 Sunday
 
95.6% illuminated
95.6% illuminated
Age: 12.8
Week 51
16 Monday
 
98.7% illuminated
98.7% illuminated
Age: 13.7
17 Tuesday
 
100% illuminated
100% illuminated
Age: 14.6
18 Wednesday
 
99.4% illuminated
99.4% illuminated
Age: 15.5
19 Thursday
 
97% illuminated
97% illuminated
Age: 16.4
20 Friday
 
93% illuminated
93% illuminated
Age: 17.3
21 Saturday
 
87.4% illuminated
87.4% illuminated
Age: 18.2
22 Sunday
 
80.5% illuminated
80.5% illuminated
Age: 19.1
Week 52
23 Monday
 
72.4% illuminated
72.4% illuminated
Age: 20
24 Tuesday
 
63.4% illuminated
63.4% illuminated
Age: 20.9
25 Wednesday
 
53.7% illuminated
53.7% illuminated
Age: 21.8
26 Thursday
 
43.5% illuminated
43.5% illuminated
Age: 22.8
27 Friday
 
33.3% illuminated
33.3% illuminated
Age: 23.7
28 Saturday
 
23.5% illuminated
23.5% illuminated
Age: 24.8
29 Sunday
 
14.7% illuminated
14.7% illuminated
Age: 25.8
Week 1
30 Monday
 
7.4% illuminated
7.4% illuminated
Age: 26.9
31 Tuesday
 
2.4% illuminated
2.4% illuminated
Age: 28.1
1 Wednesday
 
2 Thursday
 
3 Friday
 
4 Saturday
 
5 Sunday
 
6 Monday
 
7 Tuesday
 
8 Wednesday
 
9 Thursday
 
10 Friday
 
11 Saturday
 
12 Sunday
 
Content last updated on 2016-01-23