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Lunar Calendar Month July 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 July 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 moon2011-07-0104:54
1st quarter2011-07-0802:29
full moon2011-07-1502:40
3rd quarter2011-07-2301:02
new moon2011-07-3014:40

Apogee and perigee of the Moon

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

PositionDatesTimeDistanceNotes
Perigee2011-07-0710:05369,565 km
Apogee2011-07-2118:48404,356 km

Eclipses in July 2011

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

TypeDatesSarosNotes
solar eclipse2011-07-01156Saros series begins (first eclipse in series)

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
Spica2011-07-08 17:44
Pleiades2011-07-25 11:28
Mars2011-07-27 12:52

Illumination of the Moon

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

July 2011
wMondayTuesdayWednesdayThursdayFridaySaturdaySunday
Week 26
27 Monday
 
28 Tuesday
 
29 Wednesday
 
30 Thursday
 
1Friday
 
0% illuminated
Age: 29.3
2Saturday
 
0.8% illuminated
Age: 0.8
3Sunday
 
3.9% illuminated
Age: 1.9
Week 27
4Monday
 
9.5% illuminated
Age: 2.9
5Tuesday
 
17.2% illuminated
Age: 4
6Wednesday
 
26.7% illuminated
Age: 5.1
7Thursday
 
37.4% illuminated
Age: 6.2
8Friday
 
48.8% illuminated
Age: 7.3
9Saturday
 
60.2% illuminated
Age: 8.3
10Sunday
 
71% illuminated
Age: 9.4
Week 28
11Monday
 
80.7% illuminated
Age: 10.5
12Tuesday
 
88.8% illuminated
Age: 11.6
13Wednesday
 
94.8% illuminated
Age: 12.6
14Thursday
 
98.6% illuminated
Age: 13.6
15Friday
 
100% illuminated
Age: 14.7
16Saturday
 
99.1% illuminated
Age: 15.7
17Sunday
 
96.1% illuminated
Age: 16.6
Week 29
18Monday
 
91.3% illuminated
Age: 17.6
19Tuesday
 
84.9% illuminated
Age: 18.5
20Wednesday
 
77.4% illuminated
Age: 19.4
21Thursday
 
69% illuminated
Age: 20.3
22Friday
 
59.9% illuminated
Age: 21.2
23Saturday
 
50.5% illuminated
Age: 22.1
24Sunday
 
41% illuminated
Age: 23
Week 30
25Monday
 
31.6% illuminated
Age: 23.9
26Tuesday
 
22.8% illuminated
Age: 24.8
27Wednesday
 
14.9% illuminated
Age: 25.8
28Thursday
 
8.2% illuminated
Age: 26.8
29Friday
 
3.3% illuminated
Age: 27.8
30Saturday
 
0.5% illuminated
Age: 28.9
31Sunday
 
0.2% illuminated
Age: 0.4
1 Monday
 
2 Tuesday
 
3 Wednesday
 
4 Thursday
 
5 Friday
 
6 Saturday
 
7 Sunday
 
8 Monday
 
9 Tuesday
 
10 Wednesday
 
11 Thursday
 
12 Friday
 
13 Saturday
 
14 Sunday
 
Content last updated on 2018-10-21T17:33:00Z