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Lunar Calendar Month July 2021 (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 2021.

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 quarter2021-07-0117:11
new moon2021-07-0921:16
1st quarter2021-07-1706:11
full moon2021-07-2322:37
3rd quarter2021-07-3109:16

Apogee and perigee of the Moon

The following table shows the dates of perigee and apogee of the Moon during July 2021.

PositionDatesTimeDistanceNotes
Apogee2021-07-0510:49405,341 km
Perigee2021-07-2106:31364,519 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
Mercury2021-07-08 00:38
Venus2021-07-12 05:10
Mars2021-07-12 06:10
Saturn2021-07-24 12:42
Jupiter2021-07-25 21:17

Illumination of the Moon

The following table depicts the illumination of the Moon, calculated at 00:00, throughtout the 31 days of July 2021.

July 2021
wMondayTuesdayWednesdayThursdayFridaySaturdaySunday
Week 26
28Monday
 
29Tuesday
 
30Wednesday
 
1Thursday
 
57.2% illuminated
Age:21.5
2Friday
 
47.3% illuminated
Age:22.4
3Saturday
 
37.8% illuminated
Age:23.3
4Sunday
 
28.8% illuminated
Age:24.2
Week 27
5Monday
 
20.7% illuminated
Age:25.1
6Tuesday
 
13.5% illuminated
Age:26
7Wednesday
 
7.7% illuminated
Age:26.9
8Thursday
 
3.4% illuminated
Age:27.8
9Friday
 
0.8% illuminated
Age:28.7
10Saturday
 
0% illuminated
Age:0.1
11Sunday
 
1.3% illuminated
Age:1.1
Week 28
12Monday
 
4.6% illuminated
Age:2
13Tuesday
 
9.9% illuminated
Age:3
14Wednesday
 
17.1% illuminated
Age:4
15Thursday
 
25.9% illuminated
Age:5
16Friday
 
36.1% illuminated
Age:6.1
17Saturday
 
47% illuminated
Age:7.1
18Sunday
 
58.4% illuminated
Age:8.2
Week 29
19Monday
 
69.5% illuminated
Age:9.3
20Tuesday
 
79.7% illuminated
Age:10.4
21Wednesday
 
88.3% illuminated
Age:11.5
22Thursday
 
94.8% illuminated
Age:12.6
23Friday
 
98.8% illuminated
Age:13.7
24Saturday
 
100% illuminated
Age:14.8
25Sunday
 
98.5% illuminated
Age:15.9
Week 30
26Monday
 
94.5% illuminated
Age:17
27Tuesday
 
88.6% illuminated
Age:18
28Wednesday
 
81.1% illuminated
Age:19
29Thursday
 
72.5% illuminated
Age:20
30Friday
 
63.3% illuminated
Age:20.9
31Saturday
 
53.8% illuminated
Age:21.8
1Sunday
 
2Monday
 
3Tuesday
 
4Wednesday
 
5Thursday
 
6Friday
 
7Saturday
 
8Sunday
 
9Monday
 
10Tuesday
 
11Wednesday
 
12Thursday
 
13Friday
 
14Saturday
 
15Sunday
 
Content last updated on 2018-10-21T17:33:00Z