Helena, Montana, USA — Moonrise, Moonset, and Moon Phases, December 2025

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

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2025	Moonrise/Moonset						Meridian Passing
Dec	Moonrise		Moonset		Moonrise		Time		Distance (mi)	Illumination
1	-		3:38 am	↑ (285°)	2:20 pm	↑ (71°)	9:32 pm	(58.1°)	224,815	88.6%
2	-		5:03 am	↑ (295°)	2:45 pm	↑ (61°)	10:29 pm	(64.0°)	222,731	95.3%
3	-		6:32 am	↑ (304°)	3:18 pm	↑ (54°)	11:31 pm	(68.5°)	221,831	99.1%
4	-		7:59 am	↑ (310°)	4:04 pm	↑ (48°)	Moon does not pass the meridian on this day.
5	-		9:18 am	↑ (313°)	5:05 pm	↑ (47°)	12:38 am	(71.0°)	222,260	99.6%
6	-		10:21 am	↑ (312°)	6:20 pm	↑ (49°)	1:46 am	(71.1°)	224,003	96.9%
7	-		11:07 am	↑ (308°)	7:42 pm	↑ (55°)	2:50 am	(69.0°)	226,857	91.3%
8	-		11:40 am	↑ (301°)	9:04 pm	↑ (62°)	3:49 am	(65.1°)	230,502	83.4%
9	-		12:04 pm	↑ (293°)	10:21 pm	↑ (71°)	4:42 am	(60.0°)	234,539	74.0%
10	-		12:23 pm	↑ (284°)	11:34 pm	↑ (80°)	5:30 am	(54.2°)	238,628	63.8%
11	-		12:40 pm	↑ (275°)	-		6:14 am	(48.1°)	242,447	53.3%
12	12:43 am	↑ (89°)	12:55 pm	↑ (267°)	-		6:55 am	(41.9°)	245,782	43.1%
13	1:50 am	↑ (98°)	1:10 pm	↑ (258°)	-		7:36 am	(36.0°)	248,480	33.4%
14	2:56 am	↑ (106°)	1:26 pm	↑ (250°)	-		8:16 am	(30.4°)	250,481	24.5%
15	4:03 am	↑ (114°)	1:45 pm	↑ (243°)	-		8:59 am	(25.3°)	251,770	16.7%
16	5:10 am	↑ (121°)	2:08 pm	↑ (236°)	-		9:43 am	(21.0°)	252,394	10.1%
17	6:18 am	↑ (127°)	2:36 pm	↑ (231°)	-		10:30 am	(17.6°)	252,421	5.1%
18	7:22 am	↑ (131°)	3:13 pm	↑ (228°)	-		11:19 am	(15.3°)	251,935	1.8%
19	8:22 am	↑ (134°)	4:00 pm	↑ (226°)	-		12:11 pm	(14.4°)	251,021	0.3%
20	9:12 am	↑ (133°)	4:57 pm	↑ (228°)	-		1:04 pm	(14.9°)	249,744	0.7%
21	9:53 am	↑ (130°)	6:03 pm	↑ (231°)	-		1:55 pm	(16.8°)	248,154	3.2%
22	10:25 am	↑ (125°)	7:13 pm	↑ (237°)	-		2:45 pm	(20.1°)	246,270	7.6%
23	10:50 am	↑ (118°)	8:25 pm	↑ (244°)	-		3:33 pm	(24.5°)	244,104	13.9%
24	11:11 am	↑ (111°)	9:38 pm	↑ (253°)	-		4:19 pm	(29.8°)	241,659	21.9%
25	11:29 am	↑ (102°)	10:50 pm	↑ (262°)	-		5:03 pm	(35.8°)	238,956	31.3%
26	11:46 am	↑ (93°)	-		-		5:48 pm	(42.3°)	236,047	41.8%
27	-		12:04 am	↑ (272°)	12:03 pm	↑ (84°)	6:33 pm	(49.0°)	233,039	53.1%
28	-		1:19 am	↑ (281°)	12:21 pm	↑ (74°)	7:21 pm	(55.5°)	230,103	64.5%
29	-		2:39 am	↑ (291°)	12:43 pm	↑ (65°)	8:14 pm	(61.6°)	227,462	75.4%
30	-		4:02 am	↑ (300°)	1:11 pm	↑ (57°)	9:11 pm	(66.6°)	225,387	85.1%
31	-		5:28 am	↑ (308°)	1:50 pm	↑ (51°)	10:14 pm	(70.0°)	224,155	92.8%
* All times are local time for Helena. They take into account refraction. Dates are based on the Gregorian calendar. Illumination is calculated at lunar noon.

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