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Lunar Calendar Month September 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 September 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 quarter2015-09-0505:54
new moon2015-09-1302:41
1st quarter2015-09-2104:59
full moon2015-09-2722:50

Apogee and perigee of the Moon

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

PositionDatesTimeDistanceNotes
Apogee2015-09-1407:29406,465 kmMaximum apogee in 2015!
Perigee2015-09-2721:47356,876 kmMaximum perigee in 2015!

Eclipses in September 2015

The following is information about eclipses occuring worldwide during September 2015. The eclipses listed here may be totally visible, partly visible or not visible in any part of United States.

TypeDatesSarosNotes
solar eclipse2015-09-13125
lunar eclipse2015-09-27137

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
Aldebaran2015-09-05 01:09
Venus2015-09-10 01:53
Saturn2015-09-18 22:54

Illumination of the Moon

The following table depicts the illumination of the Moon, calculated at 00:00, throughtout the 30 days of September 2015.

September 2015
wMondayTuesdayWednesdayThursdayFridaySaturdaySunday
Week 36
31Monday
 
1Tuesday
 
91.6% illuminated
Age:17.5
2Wednesday
 
83.7% illuminated
Age:18.7
3Thursday
 
74.1% illuminated
Age:19.8
4Friday
 
63.6% illuminated
Age:20.9
5Saturday
 
52.7% illuminated
Age:21.9
6Sunday
 
42% illuminated
Age:22.9
Week 37
7Monday
 
31.9% illuminated
Age:23.9
8Tuesday
 
22.9% illuminated
Age:24.8
9Wednesday
 
15.1% illuminated
Age:25.8
10Thursday
 
8.7% illuminated
Age:26.7
11Friday
 
4.1% illuminated
Age:27.6
12Saturday
 
1.1% illuminated
Age:28.5
13Sunday
 
0% illuminated
Age:29.4
Week 38
14Monday
 
0.7% illuminated
Age:0.8
15Tuesday
 
3.2% illuminated
Age:1.7
16Wednesday
 
7.3% illuminated
Age:2.6
17Thursday
 
13% illuminated
Age:3.5
18Friday
 
20.2% illuminated
Age:4.4
19Saturday
 
28.5% illuminated
Age:5.3
20Sunday
 
37.9% illuminated
Age:6.2
Week 39
21Monday
 
47.9% illuminated
Age:7.2
22Tuesday
 
58.4% illuminated
Age:8.2
23Wednesday
 
68.8% illuminated
Age:9.2
24Thursday
 
78.7% illuminated
Age:10.3
25Friday
 
87.4% illuminated
Age:11.4
26Saturday
 
94.3% illuminated
Age:12.5
27Sunday
 
98.6% illuminated
Age:13.6
Week 40
28Monday
 
100% illuminated
Age:14.8
29Tuesday
 
98.3% illuminated
Age:16
30Wednesday
 
93.7% illuminated
Age:17.2
1Thursday
 
2Friday
 
3Saturday
 
4Sunday
 
5Monday
 
6Tuesday
 
7Wednesday
 
8Thursday
 
9Friday
 
10Saturday
 
11Sunday
 
12Monday
 
13Tuesday
 
14Wednesday
 
15Thursday
 
16Friday
 
17Saturday
 
18Sunday
 
Content last updated on 2018-10-21T17:33:00Z