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Lunar Calendar Month July 2018 (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 2018.

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 quarter2018-07-0603:51
new moon2018-07-1222:48
1st quarter2018-07-1915:52
full moon2018-07-2716:20

Apogee and perigee of the Moon

The following table shows the dates of perigee and apogee of the Moon during July 2018.

PositionDatesTimeDistanceNotes
Perigee2018-07-1304:30357,431 km
Apogee2018-07-2701:45406,222 km

Eclipses in July 2018

The following is information about eclipses occuring worldwide during July 2018. The eclipses listed here may be totally visible, partly visible or not visible in any part of United States.

TypeDatesSarosNotes
solar eclipse2018-07-12117
lunar eclipse2018-07-27129Central total eclipse (Moon's center passes north of shadow axis)

Meteor Activity

Active meteor showers this month and their peak days. For more information, see the meteor shower calendar 2018.

NamePeak Day
Piscis Austr.2018-07-28
S. δ-Aquariids2018-07-30
α-Capricornids2018-07-30

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
Aldebaran2018-07-10 05:30
Mercury2018-07-14 18:04
Regulus2018-07-15 12:14
Venus2018-07-15 23:31
Jupiter2018-07-20 19:57
Saturn2018-07-25 02:10

Illumination of the Moon

The following table depicts the illumination of the Moon, calculated at 00:00, throughtout the 31 days of July 2018.

July 2018
wMondayTuesdayWednesdayThursdayFridaySaturdaySunday
Week 26
25Monday
 
26Tuesday
 
27Wednesday
 
28Thursday
 
29Friday
 
30Saturday
 
1Sunday
 
92.3% illuminated
Age:17.4
Week 27
2Monday
 
86.5% illuminated
Age:18.3
3Tuesday
 
79.3% illuminated
Age:19.2
4Wednesday
 
70.9% illuminated
Age:20.1
5Thursday
 
61.6% illuminated
Age:21
6Friday
 
51.6% illuminated
Age:22
7Saturday
 
41.2% illuminated
Age:23
8Sunday
 
30.9% illuminated
Age:24
Week 28
9Monday
 
21.2% illuminated
Age:25
10Tuesday
 
12.6% illuminated
Age:26.1
11Wednesday
 
5.8% illuminated
Age:27.3
12Thursday
 
1.4% illuminated
Age:28.4
13Friday
 
0% illuminated
Age:0.1
14Saturday
 
1.7% illuminated
Age:1.2
15Sunday
 
6.3% illuminated
Age:2.4
Week 29
16Monday
 
13.5% illuminated
Age:3.5
17Tuesday
 
22.4% illuminated
Age:4.6
18Wednesday
 
32.5% illuminated
Age:5.7
19Thursday
 
43.1% illuminated
Age:6.7
20Friday
 
53.6% illuminated
Age:7.7
21Saturday
 
63.7% illuminated
Age:8.7
22Sunday
 
73% illuminated
Age:9.6
Week 30
23Monday
 
81.2% illuminated
Age:10.6
24Tuesday
 
88.2% illuminated
Age:11.5
25Wednesday
 
93.6% illuminated
Age:12.4
26Thursday
 
97.5% illuminated
Age:13.3
27Friday
 
99.6% illuminated
Age:14.2
28Saturday
 
99.9% illuminated
Age:15.1
29Sunday
 
98.4% illuminated
Age:15.9
Week 31
30Monday
 
95.2% illuminated
Age:16.9
31Tuesday
 
90.2% illuminated
Age:17.8
1Wednesday
 
2Thursday
 
3Friday
 
4Saturday
 
5Sunday
 
6Monday
 
7Tuesday
 
8Wednesday
 
9Thursday
 
10Friday
 
11Saturday
 
12Sunday
 
Content last updated on 2018-10-21T17:33:00Z