Waltham, Massachusetts, USA — Moonrise, Moonset, and Moon Phases, December 2025

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

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2025	Moonrise/Moonset						Meridian Passing
Dec	Moonrise		Moonset		Moonrise		Time		Distance (mi)	Illumination
1	-		2:40 am	↑ (283°)	1:42 pm	↑ (73°)	8:43 pm	(61.6°)	225,115	87.7%
2	-		3:59 am	↑ (292°)	2:11 pm	↑ (64°)	9:39 pm	(67.6°)	222,912	94.6%
3	-		5:23 am	↑ (300°)	2:47 pm	↑ (57°)	10:41 pm	(72.3°)	221,867	98.8%
4	-		6:47 am	↑ (306°)	3:35 pm	↑ (52°)	11:47 pm	(75.1°)	222,143	99.7%
5	-		8:05 am	↑ (309°)	4:36 pm	↑ (50°)	Moon does not pass the meridian on this day.
6	-		9:10 am	↑ (309°)	5:49 pm	↑ (52°)	12:55 am	(75.5°)	223,744	97.4%
7	-		10:01 am	↑ (305°)	7:07 pm	↑ (57°)	2:00 am	(73.6°)	226,487	92.0%
8	-		10:39 am	↑ (299°)	8:24 pm	↑ (64°)	3:00 am	(69.9°)	230,063	84.4%
9	-		11:08 am	↑ (292°)	9:38 pm	↑ (71°)	3:54 am	(64.9°)	234,073	75.1%
10	-		11:32 am	↑ (284°)	10:47 pm	↑ (80°)	4:42 am	(59.1°)	238,173	65.0%
11	-		11:52 am	↑ (276°)	11:53 pm	↑ (88°)	5:26 am	(53.0°)	242,034	54.5%
12	-		12:11 pm	↑ (268°)	-		6:08 am	(46.9°)	245,434	44.2%
13	12:56 am	↑ (96°)	12:30 pm	↑ (260°)	-		6:48 am	(40.9°)	248,209	34.4%
14	1:59 am	↑ (104°)	12:49 pm	↑ (252°)	-		7:29 am	(35.2°)	250,290	25.4%
15	3:02 am	↑ (112°)	1:11 pm	↑ (246°)	-		8:10 am	(30.1°)	251,659	17.5%
16	4:05 am	↑ (118°)	1:36 pm	↑ (240°)	-		8:54 am	(25.7°)	252,354	10.8%
17	5:09 am	↑ (124°)	2:07 pm	↑ (235°)	-		9:41 am	(22.1°)	252,445	5.6%
18	6:12 am	↑ (128°)	2:46 pm	↑ (231°)	-		10:31 am	(19.7°)	252,013	2.0%
19	7:10 am	↑ (130°)	3:33 pm	↑ (230°)	-		11:22 am	(18.6°)	251,144	0.3%
20	8:02 am	↑ (130°)	4:28 pm	↑ (231°)	-		12:14 pm	(19.0°)	249,905	0.5%
21	8:46 am	↑ (127°)	5:31 pm	↑ (234°)	-		1:06 pm	(20.7°)	248,349	2.8%
22	9:22 am	↑ (123°)	6:38 pm	↑ (239°)	-		1:57 pm	(23.9°)	246,498	7.0%
23	9:52 am	↑ (117°)	7:46 pm	↑ (246°)	-		2:45 pm	(28.2°)	244,364	13.1%
24	10:17 am	↑ (110°)	8:54 pm	↑ (253°)	-		3:31 pm	(33.4°)	241,950	20.9%
25	10:39 am	↑ (102°)	10:03 pm	↑ (262°)	-		4:15 pm	(39.4°)	239,275	30.2%
26	10:59 am	↑ (94°)	11:12 pm	↑ (271°)	-		4:59 pm	(45.8°)	236,383	40.6%
27	11:20 am	↑ (85°)	-		-		5:45 pm	(52.5°)	233,380	51.8%
28	-		12:23 am	↑ (280°)	11:42 am	↑ (76°)	6:32 pm	(59.1°)	230,425	63.2%
29	-		1:37 am	↑ (289°)	12:08 pm	↑ (68°)	7:24 pm	(65.2°)	227,739	74.2%
30	-		2:56 am	↑ (297°)	12:39 pm	↑ (60°)	8:21 pm	(70.4°)	225,584	84.1%
31	-		4:17 am	↑ (304°)	1:20 pm	↑ (54°)	9:24 pm	(74.0°)	224,244	92.1%
* All times are local time for Waltham. They take into account refraction. Dates are based on the Gregorian calendar. Illumination is calculated at lunar noon.

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