Lunar Calendar Month December 2024 (Guam)

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 Hagåtña, Guam during December 2024.

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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 phases	Dates	Time
new moon	2024-12-01	16:21
1st quarter	2024-12-09	01:26
full moon	2024-12-15	19:02
3rd quarter	2024-12-23	08:18
new moon	2024-12-31	08:27

Apogee and perigee of the Moon

The following table shows the dates of perigee and apogee of the Moon during December 2024.

Position	Dates	Time	Distance	Notes
Perigee	2024-12-12	23:20	365,358 km
Apogee	2024-12-24	17:26	404,484 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 Objects	Date and Time
Venus	2024-12-05 08:40
Saturn	2024-12-08 18:49
Pleiades	2024-12-14 03:13
Pollux	2024-12-17 22:12
Mars	2024-12-18 18:46
Beehive	2024-12-18 21:28
Regulus	2024-12-20 15:37
Spica	2024-12-25 05:28
Antares	2024-12-29 00:37

Illumination of the Moon

The following table depicts the illumination of the Moon, calculated at 00:00, throughtout the 31 days of December 2024.

December 2024
w	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday	Sunday
Week 48	25 Monday	26 Tuesday	27 Wednesday	28 Thursday	29 Friday	30 Saturday	1Sunday 0.5% illuminated Age: 28.9
Week 49	2Monday 0.1% illuminated Age: 0.3	3Tuesday 1.8% illuminated Age: 1.2	4Wednesday 5.5% illuminated Age: 2.2	5Thursday 11.2% illuminated Age: 3.2	6Friday 18.8% illuminated Age: 4.2	7Saturday 27.9% illuminated Age: 5.2	8Sunday 38.2% illuminated Age: 6.3
Week 50	9Monday 49.3% illuminated Age: 7.3	10Tuesday 60.6% illuminated Age: 8.4	11Wednesday 71.5% illuminated Age: 9.5	12Thursday 81.4% illuminated Age: 10.6	13Friday 89.7% illuminated Age: 11.7	14Saturday 95.7% illuminated Age: 12.8	15Sunday 99.2% illuminated Age: 13.9
Week 51	16Monday 99.9% illuminated Age: 15	17Tuesday 98.1% illuminated Age: 16.1	18Wednesday 94% illuminated Age: 17.1	19Thursday 87.9% illuminated Age: 18.1	20Friday 80.4% illuminated Age: 19.1	21Saturday 71.9% illuminated Age: 20	22Sunday 62.8% illuminated Age: 20.9
Week 52	23Monday 53.4% illuminated Age: 21.8	24Tuesday 44% illuminated Age: 22.7	25Wednesday 34.8% illuminated Age: 23.6	26Thursday 26.1% illuminated Age: 24.5	27Friday 18.2% illuminated Age: 25.4	28Saturday 11.3% illuminated Age: 26.3	29Sunday 5.9% illuminated Age: 27.2
Week 1	30Monday 2% illuminated Age: 28.2	31Tuesday 0.2% illuminated Age: 29.2	1 Wednesday	2 Thursday	3 Friday	4 Saturday	5 Sunday
	6 Monday	7 Tuesday	8 Wednesday	9 Thursday	10 Friday	11 Saturday	12 Sunday