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Lunar Calendar Month December 2011 (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 2011.

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
1st quarter2011-12-0204:52
full moon2011-12-1009:36
3rd quarter2011-12-1719:48
new moon2011-12-2413:06

Apogee and perigee of the Moon

The following table shows the dates of perigee and apogee of the Moon during December 2011.

PositionDatesTimeDistanceNotes
Apogee2011-12-0520:14405,412 km
Perigee2011-12-2121:58364,800 km

Eclipses in December 2011

The following is information about eclipses occuring worldwide during December 2011. The eclipses listed here may be totally visible, partly visible or not visible in any part of United States.

TypeDatesSarosNotes
lunar eclipse2011-12-10135

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
Pleiades2011-12-08 20:26
Spica2011-12-19 20:37
Mercury2011-12-22 22:50
Venus2011-12-27 05:52

Illumination of the Moon

The following table depicts the illumination of the Moon, calculated at 00:00, throughtout the 31 days of December 2011.

December 2011
wMondayTuesdayWednesdayThursdayFridaySaturdaySunday
Week 48
28 Monday
 
29 Tuesday
 
30 Wednesday
 
1Thursday
 
38.1% illuminated
Age: 6.3
2Friday
 
47.9% illuminated
Age: 7.2
3Saturday
 
57.6% illuminated
Age: 8.1
4Sunday
 
66.8% illuminated
Age: 9
Week 49
5Monday
 
75.4% illuminated
Age: 9.9
6Tuesday
 
83% illuminated
Age: 10.8
7Wednesday
 
89.5% illuminated
Age: 11.7
8Thursday
 
94.6% illuminated
Age: 12.6
9Friday
 
98.1% illuminated
Age: 13.5
10Saturday
 
99.8% illuminated
Age: 14.4
11Sunday
 
99.7% illuminated
Age: 15.3
Week 50
12Monday
 
97.5% illuminated
Age: 16.3
13Tuesday
 
93.2% illuminated
Age: 17.2
14Wednesday
 
87.1% illuminated
Age: 18.2
15Thursday
 
79.1% illuminated
Age: 19.2
16Friday
 
69.7% illuminated
Age: 20.2
17Saturday
 
59.2% illuminated
Age: 21.3
18Sunday
 
48.1% illuminated
Age: 22.3
Week 51
19Monday
 
36.8% illuminated
Age: 23.4
20Tuesday
 
26.1% illuminated
Age: 24.5
21Wednesday
 
16.5% illuminated
Age: 25.6
22Thursday
 
8.7% illuminated
Age: 26.7
23Friday
 
3.2% illuminated
Age: 27.8
24Saturday
 
0.4% illuminated
Age: 28.9
25Sunday
 
0.3% illuminated
Age: 0.5
Week 52
26Monday
 
2.8% illuminated
Age: 1.6
27Tuesday
 
7.5% illuminated
Age: 2.6
28Wednesday
 
14% illuminated
Age: 3.6
29Thursday
 
21.9% illuminated
Age: 4.6
30Friday
 
30.6% illuminated
Age: 5.5
31Saturday
 
39.9% illuminated
Age: 6.4
1 Sunday
 
2 Monday
 
3 Tuesday
 
4 Wednesday
 
5 Thursday
 
6 Friday
 
7 Saturday
 
8 Sunday
 
9 Monday
 
10 Tuesday
 
11 Wednesday
 
12 Thursday
 
13 Friday
 
14 Saturday
 
15 Sunday
 
Content last updated on 2018-10-21T17:33:00Z