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Lunar Calendar South Georgia and the South Sandwich Islands 2025 › Moon South Georgia and the South Sandwich Islands December 2025

Lunar Calendar Month December 2025 (South Georgia And The South Sandwich 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 Grytviken, South Georgia and the South Sandwich Islands during December 2025.

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
full moon2025-12-0421:14
3rd quarter2025-12-1118:52
new moon2025-12-1923:43
1st quarter2025-12-2717:10

Apogee and perigee of the Moon

The following table shows the dates of perigee and apogee of the Moon during December 2025.

PositionDatesTimeDistanceNotes
Perigee2025-12-0409:07356,961 km
Apogee2025-12-1704:11406,322 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
Pleiades2025-12-04 00:54
Jupiter2025-12-07 13:48
Pollux2025-12-07 14:21
Beehive2025-12-08 12:23
Regulus2025-12-10 04:32
Spica2025-12-14 14:27
Saturn2025-12-27 01:24
Pleiades2025-12-31 11:21

Illumination of the Moon

The following table depicts the illumination of the Moon, calculated at 00:00, throughtout the 31 days of December 2025.

The information of the moon (phases of the moon, cycles of the moon) presented here applies to all the territory of South Georgia and the South Sandwich Islands.

December 2025
wMondayTuesdayWednesdayThursdayFridaySaturdaySunday
Week 49
1Monday
 
79.2% illuminated
Age: 10.3
2Tuesday
 
87.9% illuminated
Age: 11.4
3Wednesday
 
94.6% illuminated
Age: 12.6
4Thursday
 
98.8% illuminated
Age: 13.7
5Friday
 
100% illuminated
Age: 14.9
6Saturday
 
98.1% illuminated
Age: 16.1
7Sunday
 
93.5% illuminated
Age: 17.2
Week 50
8Monday
 
86.5% illuminated
Age: 18.3
9Tuesday
 
77.9% illuminated
Age: 19.4
10Wednesday
 
68.3% illuminated
Age: 20.4
11Thursday
 
58.2% illuminated
Age: 21.4
12Friday
 
48% illuminated
Age: 22.3
13Saturday
 
38.3% illuminated
Age: 23.3
14Sunday
 
29.1% illuminated
Age: 24.2
Week 51
15Monday
 
20.9% illuminated
Age: 25.1
16Tuesday
 
13.8% illuminated
Age: 26
17Wednesday
 
7.9% illuminated
Age: 26.8
18Thursday
 
3.6% illuminated
Age: 27.7
19Friday
 
0.9% illuminated
Age: 28.6
20Saturday
 
0% illuminated
Age: 29.5
21Sunday
 
0.9% illuminated
Age: 0.9
Week 52
22Monday
 
3.7% illuminated
Age: 1.8
23Tuesday
 
8.4% illuminated
Age: 2.8
24Wednesday
 
14.8% illuminated
Age: 3.7
25Thursday
 
22.7% illuminated
Age: 4.7
26Friday
 
32.1% illuminated
Age: 5.7
27Saturday
 
42.4% illuminated
Age: 6.7
28Sunday
 
53.3% illuminated
Age: 7.7
Week 1
29Monday
 
64.4% illuminated
Age: 8.8
30Tuesday
 
75% illuminated
Age: 9.8
31Wednesday
 
84.4% illuminated
Age: 11
1 Thursday
 
2 Friday
 
3 Saturday
 
4 Sunday
 
5 Monday
 
6 Tuesday
 
7 Wednesday
 
8 Thursday
 
9 Friday
 
10 Saturday
 
11 Sunday
 
12 Monday
 
13 Tuesday
 
14 Wednesday
 
15 Thursday
 
16 Friday
 
17 Saturday
 
18 Sunday
 
Content last updated on 2018-10-21T17:33:00Z