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Lunar Calendar Month October 2015 (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 2015.

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
3rd quarter2015-10-0417:06
new moon2015-10-1220:06
1st quarter2015-10-2016:31
full moon2015-10-2708:05

Apogee and perigee of the Moon

The following table shows the dates of perigee and apogee of the Moon during October 2015.

PositionDatesTimeDistanceNotes
Apogee2015-10-1109:18406,388 km
Perigee2015-10-2609:00358,463 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
Aldebaran2015-10-02 08:51
Venus2015-10-08 16:32
Mars2015-10-09 12:51
Jupiter2015-10-09 19:30
Saturn2015-10-16 09:20
Aldebaran2015-10-29 18:45

Illumination of the Moon

The following table depicts the illumination of the Moon, calculated at 00:00, throughtout the 31 days of October 2015.

October 2015
wMondayTuesdayWednesdayThursdayFridaySaturdaySunday
Week 40
28Monday
 
29Tuesday
 
30Wednesday
 
1Thursday
 
86.7% illuminated
86.7% illuminated
Age:18.3
2Friday
 
77.9% illuminated
77.9% illuminated
Age:19.4
3Saturday
 
68% illuminated
68% illuminated
Age:20.4
4Sunday
 
57.6% illuminated
57.6% illuminated
Age:21.4
Week 41
5Monday
 
47.2% illuminated
47.2% illuminated
Age:22.4
6Tuesday
 
37.2% illuminated
37.2% illuminated
Age:23.4
7Wednesday
 
28% illuminated
28% illuminated
Age:24.3
8Thursday
 
19.7% illuminated
19.7% illuminated
Age:25.2
9Friday
 
12.7% illuminated
12.7% illuminated
Age:26.1
10Saturday
 
7.1% illuminated
7.1% illuminated
Age:27
11Sunday
 
3% illuminated
3% illuminated
Age:27.9
Week 42
12Monday
 
0.6% illuminated
0.6% illuminated
Age:28.8
13Tuesday
 
0% illuminated
0% illuminated
Age:0.1
14Wednesday
 
1.2% illuminated
1.2% illuminated
Age:1
15Thursday
 
4.3% illuminated
4.3% illuminated
Age:2
16Friday
 
9% illuminated
9% illuminated
Age:2.9
17Saturday
 
15.4% illuminated
15.4% illuminated
Age:3.8
18Sunday
 
23.3% illuminated
23.3% illuminated
Age:4.7
Week 43
19Monday
 
32.5% illuminated
32.5% illuminated
Age:5.7
20Tuesday
 
42.6% illuminated
42.6% illuminated
Age:6.7
21Wednesday
 
53.4% illuminated
53.4% illuminated
Age:7.7
22Thursday
 
64.3% illuminated
64.3% illuminated
Age:8.7
23Friday
 
74.8% illuminated
74.8% illuminated
Age:9.8
24Saturday
 
84.3% illuminated
84.3% illuminated
Age:10.9
25Sunday
 
92% illuminated
92% illuminated
Age:12.1
Week 44
26Monday
 
97.3% illuminated
97.3% illuminated
Age:13.2
27Tuesday
 
99.8% illuminated
99.8% illuminated
Age:14.4
28Wednesday
 
99.3% illuminated
99.3% illuminated
Age:15.5
29Thursday
 
95.9% illuminated
95.9% illuminated
Age:16.7
30Friday
 
90.1% illuminated
90.1% illuminated
Age:17.8
31Saturday
 
82.4% illuminated
82.4% illuminated
Age:18.8
1Sunday
 
2Monday
 
3Tuesday
 
4Wednesday
 
5Thursday
 
6Friday
 
7Saturday
 
8Sunday
 
9Monday
 
10Tuesday
 
11Wednesday
 
12Thursday
 
13Friday
 
14Saturday
 
15Sunday
 
Content last updated on 2016-01-23