Thermopolis, Wyoming, USA — Moonrise, Moonset, and Moon Phases, December 2025

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

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2025	Moonrise/Moonset						Meridian Passing
Dec	Moonrise		Moonset		Moonrise		Time		Distance (mi)	Illumination
1	-		3:18 am	↑ (284°)	2:10 pm	↑ (72°)	9:16 pm	(61.0°)	224,842	88.5%
2	-		4:39 am	↑ (294°)	2:38 pm	↑ (63°)	10:13 pm	(66.9°)	222,747	95.2%
3	-		6:04 am	↑ (302°)	3:15 pm	↑ (56°)	11:15 pm	(71.4°)	221,833	99.0%
4	-		7:29 am	↑ (308°)	4:03 pm	↑ (51°)	Moon does not pass the meridian on this day.
5	-		8:46 am	↑ (311°)	5:05 pm	↑ (49°)	12:22 am	(74.0°)	222,249	99.6%
6	-		9:50 am	↑ (310°)	6:19 pm	↑ (52°)	1:30 am	(74.1°)	223,978	96.9%
7	-		10:38 am	↑ (305°)	7:38 pm	↑ (57°)	2:34 am	(72.0°)	226,822	91.3%
8	-		11:14 am	↑ (299°)	8:57 pm	↑ (64°)	3:34 am	(68.2°)	230,461	83.5%
9	-		11:42 am	↑ (292°)	10:11 pm	↑ (72°)	4:27 am	(63.0°)	234,495	74.1%
10	-		12:04 pm	↑ (283°)	11:21 pm	↑ (80°)	5:14 am	(57.2°)	238,585	63.9%
11	-		12:23 pm	↑ (275°)	-		5:58 am	(51.1°)	242,408	53.4%
12	12:27 am	↑ (89°)	12:40 pm	↑ (267°)	-		6:40 am	(45.0°)	245,750	43.2%
13	1:31 am	↑ (97°)	12:58 pm	↑ (259°)	-		7:20 am	(39.0°)	248,455	33.5%
14	2:35 am	↑ (105°)	1:17 pm	↑ (251°)	-		8:01 am	(33.4°)	250,463	24.6%
15	3:39 am	↑ (113°)	1:38 pm	↑ (244°)	-		8:43 am	(28.3°)	251,760	16.7%
16	4:44 am	↑ (120°)	2:03 pm	↑ (238°)	-		9:27 am	(24.0°)	252,390	10.2%
17	5:49 am	↑ (125°)	2:34 pm	↑ (233°)	-		10:14 am	(20.6°)	252,423	5.1%
18	6:52 am	↑ (129°)	3:12 pm	↑ (230°)	-		11:04 am	(18.3°)	251,943	1.8%
19	7:50 am	↑ (131°)	4:00 pm	↑ (229°)	-		11:55 am	(17.3°)	251,032	0.3%
20	8:41 am	↑ (130°)	4:57 pm	↑ (230°)	-		12:48 pm	(17.8°)	249,760	0.7%
21	9:24 am	↑ (128°)	6:00 pm	↑ (234°)	-		1:39 pm	(19.7°)	248,172	3.1%
22	9:58 am	↑ (123°)	7:08 pm	↑ (239°)	-		2:29 pm	(23.0°)	246,292	7.5%
23	10:26 am	↑ (117°)	8:17 pm	↑ (246°)	-		3:17 pm	(27.4°)	244,129	13.8%
24	10:50 am	↑ (110°)	9:27 pm	↑ (254°)	-		4:03 pm	(32.7°)	241,687	21.8%
25	11:10 am	↑ (102°)	10:36 pm	↑ (262°)	-		4:48 pm	(38.7°)	238,986	31.2%
26	11:30 am	↑ (93°)	11:47 pm	↑ (271°)	-		5:32 pm	(45.2°)	236,078	41.7%
27	11:49 am	↑ (84°)	-		-		6:17 pm	(51.9°)	233,071	52.9%
28	-		1:00 am	↑ (281°)	12:11 pm	↑ (75°)	7:05 pm	(58.4°)	230,133	64.3%
29	-		2:16 am	↑ (290°)	12:35 pm	↑ (67°)	7:58 pm	(64.5°)	227,488	75.3%
30	-		3:36 am	↑ (298°)	1:07 pm	↑ (59°)	8:55 pm	(69.5°)	225,405	85.0%
31	-		4:59 am	↑ (305°)	1:47 pm	↑ (53°)	9:58 pm	(73.0°)	224,163	92.7%
* All times are local time for Thermopolis. They take into account refraction. Dates are based on the Gregorian calendar. Illumination is calculated at lunar noon.

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