Sign In

Lunar Calendar Month July 2017 (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 July 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 quarter2017-06-3020:51
full moon2017-07-0900:06
3rd quarter2017-07-1615:26
new moon2017-07-2305:45
1st quarter2017-07-3011:23

Apogee and perigee of the Moon

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

PositionDatesTimeDistanceNotes
Apogee2017-07-0600:28405,932 km
Perigee2017-07-2113:11361,236 km

Meteor Activity

Active meteor showers this month and their peak days. For more information, see the meteor shower calendar 2017.

NamePeak Day
α-Capricornids2017-07-30
S. δ-Aquariids2017-07-30
Piscis Austr.2017-07-28

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
Jupiter2017-07-01 03:28
Saturn2017-07-06 23:34
Aldebaran2017-07-19 19:37
Venus2017-07-20 07:13
Mercury2017-07-25 04:49
Regulus2017-07-25 06:14
Jupiter2017-07-28 16:15

Illumination of the Moon

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

July 2017
wMondayTuesdayWednesdayThursdayFridaySaturdaySunday
Week 26
26Monday
 
27Tuesday
 
28Wednesday
 
29Thursday
 
30Friday
 
1Saturday
 
51.4% illuminated
51.4% illuminated
Age:7.5
2Sunday
 
61.2% illuminated
61.2% illuminated
Age:8.4
Week 27
3Monday
 
70.4% illuminated
70.4% illuminated
Age:9.4
4Tuesday
 
78.7% illuminated
78.7% illuminated
Age:10.3
5Wednesday
 
86% illuminated
86% illuminated
Age:11.2
6Thursday
 
91.9% illuminated
91.9% illuminated
Age:12
7Friday
 
96.3% illuminated
96.3% illuminated
Age:12.9
8Saturday
 
99% illuminated
99% illuminated
Age:13.8
9Sunday
 
100% illuminated
100% illuminated
Age:14.8
Week 28
10Monday
 
99.1% illuminated
99.1% illuminated
Age:15.7
11Tuesday
 
96.2% illuminated
96.2% illuminated
Age:16.6
12Wednesday
 
91.5% illuminated
91.5% illuminated
Age:17.5
13Thursday
 
85% illuminated
85% illuminated
Age:18.5
14Friday
 
76.9% illuminated
76.9% illuminated
Age:19.5
15Saturday
 
67.5% illuminated
67.5% illuminated
Age:20.5
16Sunday
 
57% illuminated
57% illuminated
Age:21.5
Week 29
17Monday
 
46% illuminated
46% illuminated
Age:22.5
18Tuesday
 
34.8% illuminated
34.8% illuminated
Age:23.6
19Wednesday
 
24.2% illuminated
24.2% illuminated
Age:24.7
20Thursday
 
14.9% illuminated
14.9% illuminated
Age:25.8
21Friday
 
7.3% illuminated
7.3% illuminated
Age:27
22Saturday
 
2.3% illuminated
2.3% illuminated
Age:28.1
23Sunday
 
0.1% illuminated
0.1% illuminated
Age:29.2
Week 30
24Monday
 
0.8% illuminated
0.8% illuminated
Age:0.8
25Tuesday
 
4.3% illuminated
4.3% illuminated
Age:2
26Wednesday
 
10% illuminated
10% illuminated
Age:3
27Thursday
 
17.5% illuminated
17.5% illuminated
Age:4.1
28Friday
 
26.2% illuminated
26.2% illuminated
Age:5.1
29Saturday
 
35.7% illuminated
35.7% illuminated
Age:6
30Sunday
 
45.4% illuminated
45.4% illuminated
Age:7
Week 31
31Monday
 
55.1% illuminated
55.1% illuminated
Age:7.9
1Tuesday
 
2Wednesday
 
3Thursday
 
4Friday
 
5Saturday
 
6Sunday
 
7Monday
 
8Tuesday
 
9Wednesday
 
10Thursday
 
11Friday
 
12Saturday
 
13Sunday
 
Content last updated on 2016-01-23