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Lunar Calendar Month January 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 January 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
1st quarter2017-01-0514:47
full moon2017-01-1206:34
3rd quarter2017-01-1917:13
new moon2017-01-2719:07

Apogee and perigee of the Moon

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

PositionDatesTimeDistanceNotes
Perigee2017-01-1001:08363,241 km
Apogee2017-01-2119:15404,911 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
Venus2017-01-02 04:20
Mars2017-01-03 01:47
Aldebaran2017-01-09 09:07
Regulus2017-01-14 23:07
Jupiter2017-01-19 00:26
Saturn2017-01-24 05:37
Mercury2017-01-25 19:46
Venus2017-01-31 09:34
Mars2017-01-31 20:09

Illumination of the Moon

The following table depicts the illumination of the Moon, calculated at 00:00, throughtout the 31 days of January 2017.

January 2017
wMondayTuesdayWednesdayThursdayFridaySaturdaySunday
Week 52
26Monday
 
27Tuesday
 
28Wednesday
 
29Thursday
 
30Friday
 
31Saturday
 
1Sunday
 
8.3% illuminated
Age:2.7
Week 1
2Monday
 
14.9% illuminated
Age:3.7
3Tuesday
 
23.1% illuminated
Age:4.7
4Wednesday
 
32.7% illuminated
Age:5.7
5Thursday
 
43.3% illuminated
Age:6.8
6Friday
 
54.5% illuminated
Age:7.8
7Saturday
 
65.7% illuminated
Age:8.9
8Sunday
 
76.2% illuminated
Age:10
Week 2
9Monday
 
85.4% illuminated
Age:11.1
10Tuesday
 
92.8% illuminated
Age:12.2
11Wednesday
 
97.7% illuminated
Age:13.3
12Thursday
 
99.9% illuminated
Age:14.5
13Friday
 
99.3% illuminated
Age:15.6
14Saturday
 
96.1% illuminated
Age:16.6
15Sunday
 
90.8% illuminated
Age:17.7
Week 3
16Monday
 
83.7% illuminated
Age:18.7
17Tuesday
 
75.4% illuminated
Age:19.6
18Wednesday
 
66.4% illuminated
Age:20.6
19Thursday
 
56.9% illuminated
Age:21.5
20Friday
 
47.4% illuminated
Age:22.4
21Saturday
 
38.1% illuminated
Age:23.3
22Sunday
 
29.2% illuminated
Age:24.2
Week 4
23Monday
 
21% illuminated
Age:25.1
24Tuesday
 
13.8% illuminated
Age:26
25Wednesday
 
7.8% illuminated
Age:26.9
26Thursday
 
3.4% illuminated
Age:27.8
27Friday
 
0.7% illuminated
Age:28.7
28Saturday
 
0% illuminated
Age:0.2
29Sunday
 
1.5% illuminated
Age:1.2
Week 5
30Monday
 
5.3% illuminated
Age:2.2
31Tuesday
 
11.2% illuminated
Age:3.2
1Wednesday
 
2Thursday
 
3Friday
 
4Saturday
 
5Sunday
 
6Monday
 
7Tuesday
 
8Wednesday
 
9Thursday
 
10Friday
 
11Saturday
 
12Sunday
 
Content last updated on 2018-10-21T17:33:00Z