Gaithersburg, Maryland, USA — Moonrise, Moonset, and Moon Phases, December 2025

Moonrise, Moonset, and Phase Calendar for Gaithersburg, December 2025

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2025	Moonrise/Moonset						Meridian Passing
Dec	Moonrise		Moonset		Moonrise		Time		Distance (mi)	Illumination
1	-		3:01 am	↑ (283°)	2:11 pm	↑ (74°)	9:07 pm	(65.0°)	225,070	87.8%
2	-		4:18 am	↑ (291°)	2:43 pm	↑ (66°)	10:04 pm	(71.0°)	222,884	94.7%
3	-		5:38 am	↑ (299°)	3:23 pm	↑ (59°)	11:06 pm	(75.7°)	221,861	98.8%
4	-		6:59 am	↑ (304°)	4:13 pm	↑ (54°)	Moon does not pass the meridian on this day.
5	-		8:16 am	↑ (307°)	5:15 pm	↑ (53°)	12:12 am	(78.4°)	222,159	99.7%
6	-		9:21 am	↑ (307°)	6:27 pm	↑ (54°)	1:20 am	(78.8°)	223,781	97.3%
7	-		10:14 am	↑ (303°)	7:43 pm	↑ (59°)	2:25 am	(76.9°)	226,541	91.9%
8	-		10:54 am	↑ (298°)	8:58 pm	↑ (65°)	3:25 am	(73.1°)	230,127	84.2%
9	-		11:26 am	↑ (291°)	10:09 pm	↑ (73°)	4:18 am	(68.1°)	234,141	75.0%
10	-		11:52 am	↑ (283°)	11:15 pm	↑ (80°)	5:06 am	(62.3°)	238,240	64.8%
11	-		12:15 pm	↑ (275°)	-		5:50 am	(56.2°)	242,095	54.3%
12	12:18 am	↑ (88°)	12:36 pm	↑ (268°)	-		6:32 am	(50.0°)	245,486	44.1%
13	1:19 am	↑ (96°)	12:57 pm	↑ (260°)	-		7:13 am	(44.0°)	248,249	34.3%
14	2:19 am	↑ (104°)	1:19 pm	↑ (253°)	-		7:53 am	(38.4°)	250,319	25.3%
15	3:20 am	↑ (111°)	1:43 pm	↑ (247°)	-		8:35 am	(33.3°)	251,676	17.4%
16	4:21 am	↑ (117°)	2:11 pm	↑ (241°)	-		9:19 am	(28.9°)	252,361	10.7%
17	5:23 am	↑ (122°)	2:44 pm	↑ (237°)	-		10:06 am	(25.3°)	252,442	5.5%
18	6:24 am	↑ (126°)	3:24 pm	↑ (234°)	-		10:55 am	(23.0°)	252,002	2.0%
19	7:21 am	↑ (127°)	4:12 pm	↑ (232°)	-		11:47 am	(21.9°)	251,126	0.3%
20	8:13 am	↑ (127°)	5:07 pm	↑ (233°)	-		12:39 pm	(22.2°)	249,882	0.6%
21	8:58 am	↑ (125°)	6:08 pm	↑ (236°)	-		1:31 pm	(24.0°)	248,321	2.8%
22	9:36 am	↑ (121°)	7:13 pm	↑ (241°)	-		2:21 pm	(27.2°)	246,465	7.1%
23	10:07 am	↑ (116°)	8:19 pm	↑ (247°)	-		3:09 pm	(31.5°)	244,326	13.2%
24	10:35 am	↑ (109°)	9:24 pm	↑ (254°)	-		3:55 pm	(36.8°)	241,907	21.0%
25	10:59 am	↑ (102°)	10:30 pm	↑ (262°)	-		4:40 pm	(42.7°)	239,228	30.3%
26	11:22 am	↑ (94°)	11:36 pm	↑ (271°)	-		5:24 pm	(49.2°)	236,334	40.8%
27	11:46 am	↑ (85°)	-		-		6:09 pm	(55.9°)	233,330	52.0%
28	-		12:45 am	↑ (279°)	12:11 pm	↑ (77°)	6:57 pm	(62.5°)	230,378	63.4%
29	-		1:57 am	↑ (288°)	12:39 pm	↑ (69°)	7:49 pm	(68.6°)	227,698	74.4%
30	-		3:12 am	↑ (296°)	1:13 pm	↑ (62°)	8:46 pm	(73.7°)	225,555	84.2%
31	-		4:31 am	↑ (302°)	1:57 pm	↑ (56°)	9:49 pm	(77.4°)	224,231	92.2%
* All times are local time for Gaithersburg. They take into account refraction. Dates are based on the Gregorian calendar. Illumination is calculated at lunar noon.

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