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Lunar Calendar Northern Hemisphere 2025 › Moon Northern Hemisphere December 2025

Lunar Calendar Month December 2025 (Northern Hemisphere)

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, Northern Hemisphere 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 moon2025-12-0418:14
3rd quarter2025-12-1115:52
new moon2025-12-1920:43
1st quarter2025-12-2714:10

Apogee and perigee of the Moon

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

PositionDatesTimeDistanceNotes
Perigee2025-12-0406:07356,961 km
Apogee2025-12-1701:11406,322 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
Pleiades2025-12-03 21:54
Jupiter2025-12-07 10:48
Pollux2025-12-07 11:21
Beehive2025-12-08 09:23
Regulus2025-12-10 01:32
Spica2025-12-14 11:27
Saturn2025-12-26 22:24
Pleiades2025-12-31 08:21

Illumination of the Moon

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

December 2025
wMondayTuesdayWednesdayThursdayFridaySaturdaySunday
Week 49
1Monday
 
80.4% illuminated
Age: 10.5
2Tuesday
 
88.9% illuminated
Age: 11.6
3Wednesday
 
95.3% illuminated
Age: 12.7
4Thursday
 
99.1% illuminated
Age: 13.9
5Friday
 
99.9% illuminated
Age: 15
6Saturday
 
97.7% illuminated
Age: 16.2
7Sunday
 
92.7% illuminated
Age: 17.3
Week 50
8Monday
 
85.5% illuminated
Age: 18.4
9Tuesday
 
76.8% illuminated
Age: 19.5
10Wednesday
 
67% illuminated
Age: 20.5
11Thursday
 
56.9% illuminated
Age: 21.5
12Friday
 
46.8% illuminated
Age: 22.4
13Saturday
 
37.1% illuminated
Age: 23.4
14Sunday
 
28% illuminated
Age: 24.3
Week 51
15Monday
 
19.9% illuminated
Age: 25.2
16Tuesday
 
12.9% illuminated
Age: 26.1
17Wednesday
 
7.3% illuminated
Age: 27
18Thursday
 
3.2% illuminated
Age: 27.8
19Friday
 
0.7% illuminated
Age: 28.7
20Saturday
 
0% illuminated
Age: 0.1
21Sunday
 
1.2% illuminated
Age: 1
Week 52
22Monday
 
4.2% illuminated
Age: 1.9
23Tuesday
 
9.1% illuminated
Age: 2.9
24Wednesday
 
15.7% illuminated
Age: 3.8
25Thursday
 
23.8% illuminated
Age: 4.8
26Friday
 
33.3% illuminated
Age: 5.8
27Saturday
 
43.7% illuminated
Age: 6.8
28Sunday
 
54.7% illuminated
Age: 7.8
Week 1
29Monday
 
65.8% illuminated
Age: 8.9
30Tuesday
 
76.2% illuminated
Age: 10
31Wednesday
 
85.5% illuminated
Age: 11.1
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