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Lunar Calendar Month April 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 April 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 moon2011-04-0310:32
1st quarter2011-04-1108:05
full moon2011-04-1722:44
3rd quarter2011-04-2422:47

Apogee and perigee of the Moon

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

PositionDatesTimeDistanceNotes
Apogee2011-04-0205:01406,655 kmMaximum apogee in 2011!
Perigee2011-04-1702:01358,087 km
Apogee2011-04-2914:03406,042 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
Pleiades2011-04-07 06:19
Spica2011-04-17 18:04

Illumination of the Moon

The following table depicts the illumination of the Moon, calculated at 00:00, throughtout the 30 days of April 2011.

April 2011
wMondayTuesdayWednesdayThursdayFridaySaturdaySunday
Week 13
28 Monday
 
29 Tuesday
 
30 Wednesday
 
31 Thursday
 
1Friday
 
5.3% illuminated
Age: 27.3
2Saturday
 
1.9% illuminated
Age: 28.2
3Sunday
 
0.2% illuminated
Age: 29.1
Week 14
4Monday
 
0.3% illuminated
Age: 0.5
5Tuesday
 
2.2% illuminated
Age: 1.4
6Wednesday
 
5.9% illuminated
Age: 2.3
7Thursday
 
11.3% illuminated
Age: 3.2
8Friday
 
18.3% illuminated
Age: 4.2
9Saturday
 
26.6% illuminated
Age: 5.1
10Sunday
 
36.2% illuminated
Age: 6.1
Week 15
11Monday
 
46.5% illuminated
Age: 7.1
12Tuesday
 
57.4% illuminated
Age: 8.1
13Wednesday
 
68.2% illuminated
Age: 9.1
14Thursday
 
78.4% illuminated
Age: 10.2
15Friday
 
87.3% illuminated
Age: 11.3
16Saturday
 
94.2% illuminated
Age: 12.5
17Sunday
 
98.6% illuminated
Age: 13.7
Week 16
18Monday
 
100% illuminated
Age: 14.8
19Tuesday
 
98.4% illuminated
Age: 16
20Wednesday
 
94% illuminated
Age: 17.1
21Thursday
 
87.3% illuminated
Age: 18.2
22Friday
 
78.9% illuminated
Age: 19.2
23Saturday
 
69.5% illuminated
Age: 20.3
24Sunday
 
59.6% illuminated
Age: 21.2
Week 17
25Monday
 
49.6% illuminated
Age: 22.2
26Tuesday
 
39.8% illuminated
Age: 23.1
27Wednesday
 
30.6% illuminated
Age: 24
28Thursday
 
22.2% illuminated
Age: 24.9
29Friday
 
14.9% illuminated
Age: 25.8
30Saturday
 
8.8% illuminated
Age: 26.7
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