Lunar Calendar Month December 2028 (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 December 2028.

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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
full moon	2028-12-01	20:40
3rd quarter	2028-12-09	00:39
new moon	2028-12-15	21:06
1st quarter	2028-12-23	16:45
full moon	2028-12-31	11:48

Apogee and perigee of the Moon

The following table shows the dates of perigee and apogee of the Moon during December 2028.

Position	Dates	Time	Distance	Notes
Perigee	2028-12-11	07:45	369,055 km
Apogee	2028-12-23	16:01	404,408 km

Eclipses in December 2028

The following is information about eclipses occuring worldwide during December 2028. The eclipses listed here may be totally visible, partly visible or not visible in any part of United States.

Type	Dates	Saros	Notes
lunar eclipse	2028-12-31	125

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
Pleiades	2028-12-01 00:45
Beehive	2028-12-06 04:41
Venus	2028-12-14 02:33
Pleiades	2028-12-28 09:35

Illumination of the Moon

The following table depicts the illumination of the Moon, calculated at 00:00, throughtout the 31 days of December 2028.

December 2028
w	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday	Sunday
Week 48	27 Monday	28 Tuesday	29 Wednesday	30 Thursday	1Friday 99.2% illuminated Age: 13.9	2Saturday 100% illuminated Age: 14.9	3Sunday 98.6% illuminated Age: 15.9
Week 49	4Monday 95% illuminated Age: 16.9	5Tuesday 89.3% illuminated Age: 17.9	6Wednesday 81.5% illuminated Age: 18.9	7Thursday 72.1% illuminated Age: 20	8Friday 61.5% illuminated Age: 21.1	9Saturday 50.3% illuminated Age: 22.1	10Sunday 38.9% illuminated Age: 23.2
Week 50	11Monday 28.1% illuminated Age: 24.3	12Tuesday 18.4% illuminated Age: 25.4	13Wednesday 10.3% illuminated Age: 26.5	14Thursday 4.4% illuminated Age: 27.5	15Friday 1% illuminated Age: 28.6	16Saturday 0% illuminated Age: 0.1	17Sunday 1.5% illuminated Age: 1.1
Week 51	18Monday 5.1% illuminated Age: 2.1	19Tuesday 10.6% illuminated Age: 3.1	20Wednesday 17.5% illuminated Age: 4.1	21Thursday 25.5% illuminated Age: 5	22Friday 34.2% illuminated Age: 5.9	23Saturday 43.5% illuminated Age: 6.8	24Sunday 52.9% illuminated Age: 7.7
Week 52	25Monday 62.2% illuminated Age: 8.5	26Tuesday 71.2% illuminated Age: 9.4	27Wednesday 79.5% illuminated Age: 10.3	28Thursday 86.9% illuminated Age: 11.3	29Friday 93% illuminated Age: 12.2	30Saturday 97.3% illuminated Age: 13.2	31Sunday 99.7% illuminated Age: 14.2
	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