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Lunar Calendar Month December 2023 (United States Minor Outlying Islands)

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 Johnston Atoll, United States Minor Outlying Islands during December 2023.

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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 quarter2023-12-0419:49
new moon2023-12-1213:32
1st quarter2023-12-1908:39
full moon2023-12-2614:33

Apogee and perigee of the Moon

The following table shows the dates of perigee and apogee of the Moon during December 2023.

PositionDatesTimeDistanceNotes
Apogee2023-12-0408:44404,347 km
Perigee2023-12-1608:54367,899 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
Beehive2023-12-01 18:21
Spica2023-12-08 04:05
Venus2023-12-09 06:53
Saturn2023-12-17 11:58
Jupiter2023-12-22 04:20
Pleiades2023-12-23 21:37
Pollux2023-12-28 01:51
Beehive2023-12-29 02:45

Illumination of the Moon

The following table depicts the illumination of the Moon, calculated at 00:00, throughtout the 31 days of December 2023.

December 2023
wMondayTuesdayWednesdayThursdayFridaySaturdaySunday
Week 48
27 Monday
 
28 Tuesday
 
29 Wednesday
 
30 Thursday
 
1Friday
 
83.4% illuminated
Age: 18.7
2Saturday
 
75.6% illuminated
Age: 19.6
3Sunday
 
67% illuminated
Age: 20.5
Week 49
4Monday
 
57.8% illuminated
Age: 21.4
5Tuesday
 
48.4% illuminated
Age: 22.3
6Wednesday
 
39.1% illuminated
Age: 23.2
7Thursday
 
30% illuminated
Age: 24.1
8Friday
 
21.5% illuminated
Age: 25
9Saturday
 
13.9% illuminated
Age: 25.9
10Sunday
 
7.6% illuminated
Age: 26.9
Week 50
11Monday
 
2.9% illuminated
Age: 27.9
12Tuesday
 
0.4% illuminated
Age: 28.9
13Wednesday
 
0.2% illuminated
Age: 0.5
14Thursday
 
2.6% illuminated
Age: 1.5
15Friday
 
7.6% illuminated
Age: 2.6
16Saturday
 
14.9% illuminated
Age: 3.7
17Sunday
 
24% illuminated
Age: 4.8
Week 51
18Monday
 
34.5% illuminated
Age: 5.9
19Tuesday
 
45.8% illuminated
Age: 7
20Wednesday
 
57.1% illuminated
Age: 8.1
21Thursday
 
67.9% illuminated
Age: 9.1
22Friday
 
77.8% illuminated
Age: 10.2
23Saturday
 
86.2% illuminated
Age: 11.2
24Sunday
 
92.8% illuminated
Age: 12.2
Week 52
25Monday
 
97.3% illuminated
Age: 13.2
26Tuesday
 
99.6% illuminated
Age: 14.2
27Wednesday
 
99.8% illuminated
Age: 15.2
28Thursday
 
98% illuminated
Age: 16.1
29Friday
 
94.3% illuminated
Age: 17
30Saturday
 
89% illuminated
Age: 17.9
31Sunday
 
82.4% illuminated
Age: 18.8
1 Monday
 
2 Tuesday
 
3 Wednesday
 
4 Thursday
 
5 Friday
 
6 Saturday
 
7 Sunday
 
8 Monday
 
9 Tuesday
 
10 Wednesday
 
11 Thursday
 
12 Friday
 
13 Saturday
 
14 Sunday
 
Content last updated on 2018-10-21T17:33:00Z