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Lunar Calendar Month February 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 February 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
new moon2011-02-0221:31
1st quarter2011-02-1102:18
full moon2011-02-1803:36
3rd quarter2011-02-2418:26

Apogee and perigee of the Moon

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

PositionDatesTimeDistanceNotes
Apogee2011-02-0618:14405,923 km
Perigee2011-02-1902:28358,246 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
Pleiades2011-02-11 16:32
Spica2011-02-21 20:02
Antares2011-02-25 00:26
Venus2011-02-28 22:40

Illumination of the Moon

The following table depicts the illumination of the Moon, calculated at 00:00, throughtout the 28 days of February 2011.

February 2011
wMondayTuesdayWednesdayThursdayFridaySaturdaySunday
Week 5
31 Monday
 
1Tuesday
 
3.5% illuminated
Age: 27.8
2Wednesday
 
0.8% illuminated
Age: 28.7
3Thursday
 
0% illuminated
Age: 0.1
4Friday
 
1.2% illuminated
Age: 1
5Saturday
 
4.1% illuminated
Age: 1.9
6Sunday
 
8.7% illuminated
Age: 2.8
Week 6
7Monday
 
14.7% illuminated
Age: 3.7
8Tuesday
 
22% illuminated
Age: 4.6
9Wednesday
 
30.3% illuminated
Age: 5.5
10Thursday
 
39.4% illuminated
Age: 6.4
11Friday
 
49.1% illuminated
Age: 7.3
12Saturday
 
59% illuminated
Age: 8.2
13Sunday
 
68.9% illuminated
Age: 9.2
Week 7
14Monday
 
78.3% illuminated
Age: 10.2
15Tuesday
 
86.7% illuminated
Age: 11.3
16Wednesday
 
93.5% illuminated
Age: 12.3
17Thursday
 
98.1% illuminated
Age: 13.5
18Friday
 
100% illuminated
Age: 14.6
19Saturday
 
98.9% illuminated
Age: 15.8
20Sunday
 
94.9% illuminated
Age: 16.9
Week 8
21Monday
 
88.2% illuminated
Age: 18.1
22Tuesday
 
79.5% illuminated
Age: 19.2
23Wednesday
 
69.4% illuminated
Age: 20.3
24Thursday
 
58.6% illuminated
Age: 21.3
25Friday
 
47.7% illuminated
Age: 22.4
26Saturday
 
37.3% illuminated
Age: 23.4
27Sunday
 
27.6% illuminated
Age: 24.3
Week 9
28Monday
 
19.1% illuminated
Age: 25.3
1 Tuesday
 
2 Wednesday
 
3 Thursday
 
4 Friday
 
5 Saturday
 
6 Sunday
 
7 Monday
 
8 Tuesday
 
9 Wednesday
 
10 Thursday
 
11 Friday
 
12 Saturday
 
13 Sunday
 
14 Monday
 
15 Tuesday
 
16 Wednesday
 
17 Thursday
 
18 Friday
 
19 Saturday
 
20 Sunday
 
Content last updated on 2018-10-21T17:33:00Z