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Lunar Calendar Northern Hemisphere 2017 › Moon Northern Hemisphere September 2017

Lunar Calendar Month September 2017 (Northern Hemisphere)

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, Northern Hemisphere during September 2017.

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
full moon2017-09-0603:03
3rd quarter2017-09-1302:25
new moon2017-09-2001:30
1st quarter2017-09-2722:53

Apogee and perigee of the Moon

The following table shows the dates of perigee and apogee of the Moon during September 2017.

PositionDatesTimeDistanceNotes
Perigee2017-09-1312:05369,855 km
Apogee2017-09-2702:51404,341 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
Aldebaran2017-09-12 08:09
Beehive2017-09-16 10:50
Venus2017-09-17 20:56
Regulus2017-09-18 00:32
Jupiter2017-09-22 03:51
Saturn2017-09-26 20:09

Illumination of the Moon

The following table depicts the illumination of the Moon, calculated at 00:00, throughtout the 30 days of September 2017.

September 2017
wMondayTuesdayWednesdayThursdayFridaySaturdaySunday
Week 35
28Monday
 
29Tuesday
 
30Wednesday
 
31Thursday
 
1Friday
 
75.6% illuminated
Age:9.9
2Saturday
 
83.3% illuminated
Age:10.8
3Sunday
 
90% illuminated
Age:11.7
Week 36
4Monday
 
95.2% illuminated
Age:12.7
5Tuesday
 
98.6% illuminated
Age:13.6
6Wednesday
 
100% illuminated
Age:14.6
7Thursday
 
99.1% illuminated
Age:15.7
8Friday
 
95.9% illuminated
Age:16.7
9Saturday
 
90.3% illuminated
Age:17.7
10Sunday
 
82.7% illuminated
Age:18.8
Week 37
11Monday
 
73.3% illuminated
Age:19.9
12Tuesday
 
62.6% illuminated
Age:20.9
13Wednesday
 
51.3% illuminated
Age:22
14Thursday
 
39.9% illuminated
Age:23.1
15Friday
 
29% illuminated
Age:24.2
16Saturday
 
19.3% illuminated
Age:25.3
17Sunday
 
11.1% illuminated
Age:26.3
Week 38
18Monday
 
5.1% illuminated
Age:27.4
19Tuesday
 
1.3% illuminated
Age:28.4
20Wednesday
 
0% illuminated
Age:29.5
21Thursday
 
1% illuminated
Age:1
22Friday
 
4.2% illuminated
Age:1.9
23Saturday
 
9.2% illuminated
Age:2.9
24Sunday
 
15.7% illuminated
Age:3.8
Week 39
25Monday
 
23.4% illuminated
Age:4.7
26Tuesday
 
31.9% illuminated
Age:5.6
27Wednesday
 
41% illuminated
Age:6.5
28Thursday
 
50.4% illuminated
Age:7.4
29Friday
 
59.9% illuminated
Age:8.3
30Saturday
 
69.1% illuminated
Age:9.2
1Sunday
 
2Monday
 
3Tuesday
 
4Wednesday
 
5Thursday
 
6Friday
 
7Saturday
 
8Sunday
 
9Monday
 
10Tuesday
 
11Wednesday
 
12Thursday
 
13Friday
 
14Saturday
 
15Sunday
 
Content last updated on 2018-10-21T17:33:00Z