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Lunar Calendar Month October 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 October 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 quarter2011-10-0323:15
full moon2011-10-1122:06
3rd quarter2011-10-1923:30
new moon2011-10-2615:56

Apogee and perigee of the Moon

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

PositionDatesTimeDistanceNotes
Apogee2011-10-1207:44406,434 km
Perigee2011-10-2608:27357,050 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
Pleiades2011-10-15 08:49
Venus2011-10-28 01:11

Illumination of the Moon

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

October 2011
wMondayTuesdayWednesdayThursdayFridaySaturdaySunday
Week 39
26 Monday
 
27 Tuesday
 
28 Wednesday
 
29 Thursday
 
30 Friday
 
1Saturday
 
19.1% illuminated
Age: 4.3
2Sunday
 
29% illuminated
Age: 5.3
Week 40
3Monday
 
39.6% illuminated
Age: 6.4
4Tuesday
 
50.3% illuminated
Age: 7.4
5Wednesday
 
60.7% illuminated
Age: 8.4
6Thursday
 
70.4% illuminated
Age: 9.4
7Friday
 
79.1% illuminated
Age: 10.3
8Saturday
 
86.5% illuminated
Age: 11.2
9Sunday
 
92.4% illuminated
Age: 12.1
Week 41
10Monday
 
96.7% illuminated
Age: 13
11Tuesday
 
99.2% illuminated
Age: 13.9
12Wednesday
 
100% illuminated
Age: 14.8
13Thursday
 
99% illuminated
Age: 15.7
14Friday
 
96.2% illuminated
Age: 16.6
15Saturday
 
91.7% illuminated
Age: 17.5
16Sunday
 
85.7% illuminated
Age: 18.4
Week 42
17Monday
 
78.3% illuminated
Age: 19.3
18Tuesday
 
69.6% illuminated
Age: 20.3
19Wednesday
 
60% illuminated
Age: 21.2
20Thursday
 
49.6% illuminated
Age: 22.2
21Friday
 
39% illuminated
Age: 23.2
22Saturday
 
28.6% illuminated
Age: 24.2
23Sunday
 
18.8% illuminated
Age: 25.3
Week 43
24Monday
 
10.5% illuminated
Age: 26.4
25Tuesday
 
4.3% illuminated
Age: 27.6
26Wednesday
 
0.7% illuminated
Age: 28.7
27Thursday
 
0.2% illuminated
Age: 0.4
28Friday
 
2.7% illuminated
Age: 1.5
29Saturday
 
7.9% illuminated
Age: 2.7
30Sunday
 
15.4% illuminated
Age: 3.8
Week 44
31Monday
 
24.4% illuminated
Age: 4.9
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
 
Content last updated on 2018-10-21T17:33:00Z