Twin Sisters Peak, Colorado, USA — Moonrise, Moonset, and Moon Phases, December 2025

Moonrise, Moonset, and Phase Calendar for Twin Sisters Peak, December 2025

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2025	Moonrise/Moonset						Meridian Passing
Dec	Moonrise		Moonset		Moonrise		Time		Distance (mi)	Illumination
1	-		3:01 am	↑ (283°)	2:05 pm	↑ (73°)	9:04 pm	(64.7°)	224,863	88.4%
2	-		4:18 am	↑ (292°)	2:37 pm	↑ (65°)	10:01 pm	(70.6°)	222,759	95.2%
3	-		5:40 am	↑ (300°)	3:16 pm	↑ (58°)	11:03 pm	(75.1°)	221,836	99.0%
4	-		7:01 am	↑ (305°)	4:07 pm	↑ (53°)	Moon does not pass the meridian on this day.
5	-		8:18 am	↑ (308°)	5:10 pm	↑ (52°)	12:10 am	(77.7°)	222,240	99.6%
6	-		9:22 am	↑ (307°)	6:23 pm	↑ (54°)	1:18 am	(77.9°)	223,960	97.0%
7	-		10:13 am	↑ (303°)	7:39 pm	↑ (59°)	2:23 am	(75.8°)	226,796	91.4%
8	-		10:52 am	↑ (297°)	8:55 pm	↑ (65°)	3:22 am	(71.9°)	230,430	83.5%
9	-		11:22 am	↑ (290°)	10:06 pm	↑ (73°)	4:15 am	(66.8°)	234,463	74.2%
10	-		11:48 am	↑ (283°)	11:12 pm	↑ (81°)	5:03 am	(61.0°)	238,554	64.0%
11	-		12:10 pm	↑ (275°)	-		5:47 am	(54.9°)	242,380	53.5%
12	12:16 am	↑ (89°)	12:30 pm	↑ (267°)	-		6:28 am	(48.7°)	245,726	43.3%
13	1:17 am	↑ (97°)	12:50 pm	↑ (260°)	-		7:08 am	(42.8°)	248,437	33.5%
14	2:18 am	↑ (104°)	1:12 pm	↑ (252°)	-		7:49 am	(37.1°)	250,450	24.6%
15	3:19 am	↑ (111°)	1:36 pm	↑ (246°)	-		8:31 am	(32.1°)	251,753	16.8%
16	4:21 am	↑ (118°)	2:03 pm	↑ (240°)	-		9:15 am	(27.7°)	252,388	10.2%
17	5:23 am	↑ (123°)	2:37 pm	↑ (236°)	-		10:02 am	(24.3°)	252,425	5.2%
18	6:24 am	↑ (126°)	3:17 pm	↑ (233°)	-		10:52 am	(22.0°)	251,948	1.8%
19	7:22 am	↑ (128°)	4:05 pm	↑ (232°)	-		11:44 am	(21.0°)	251,041	0.3%
20	8:13 am	↑ (128°)	5:01 pm	↑ (233°)	-		12:36 pm	(21.5°)	249,771	0.7%
21	8:57 am	↑ (125°)	6:03 pm	↑ (236°)	-		1:28 pm	(23.4°)	248,186	3.1%
22	9:34 am	↑ (121°)	7:08 pm	↑ (241°)	-		2:18 pm	(26.6°)	246,308	7.5%
23	10:05 am	↑ (115°)	8:15 pm	↑ (247°)	-		3:06 pm	(31.0°)	244,147	13.7%
24	10:31 am	↑ (109°)	9:21 pm	↑ (255°)	-		3:51 pm	(36.4°)	241,707	21.7%
25	10:55 am	↑ (101°)	10:27 pm	↑ (263°)	-		4:36 pm	(42.4°)	239,008	31.1%
26	11:17 am	↑ (93°)	11:35 pm	↑ (271°)	-		5:20 pm	(48.9°)	236,102	41.6%
27	11:40 am	↑ (84°)	-		-		6:06 pm	(55.5°)	233,094	52.9%
28	-		12:44 am	↑ (280°)	12:04 pm	↑ (76°)	6:54 pm	(62.1°)	230,155	64.3%
29	-		1:57 am	↑ (289°)	12:32 pm	↑ (68°)	7:46 pm	(68.2°)	227,507	75.2%
30	-		3:13 am	↑ (297°)	1:07 pm	↑ (61°)	8:44 pm	(73.2°)	225,419	84.9%
31	-		4:33 am	↑ (303°)	1:50 pm	↑ (55°)	9:46 pm	(76.7°)	224,168	92.7%
* All times are local time for Twin Sisters Peak. They take into account refraction. Dates are based on the Gregorian calendar. Illumination is calculated at lunar noon.

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