Castle Rock, Colorado, USA — Moonrise, Moonset, and Moon Phases, December 2025

Moonrise, Moonset, and Phase Calendar for Castle Rock, December 2025

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2025	Moonrise/Moonset						Meridian Passing
Dec	Moonrise		Moonset		Moonrise		Time		Distance (mi)	Illumination
1	-		2:58 am	↑ (283°)	2:04 pm	↑ (73°)	9:02 pm	(65.3°)	224,867	88.4%
2	-		4:15 am	↑ (292°)	2:36 pm	↑ (65°)	9:59 pm	(71.2°)	222,762	95.1%
3	-		5:36 am	↑ (299°)	3:16 pm	↑ (58°)	11:01 pm	(75.7°)	221,836	99.0%
4	-		6:57 am	↑ (305°)	4:07 pm	↑ (54°)	Moon does not pass the meridian on this day.
5	-		8:13 am	↑ (307°)	5:10 pm	↑ (52°)	12:08 am	(78.3°)	222,238	99.6%
6	-		9:17 am	↑ (307°)	6:23 pm	↑ (54°)	1:15 am	(78.5°)	223,956	97.0%
7	-		10:08 am	↑ (303°)	7:39 pm	↑ (59°)	2:20 am	(76.4°)	226,791	91.4%
8	-		10:48 am	↑ (297°)	8:54 pm	↑ (66°)	3:20 am	(72.5°)	230,425	83.6%
9	-		11:19 am	↑ (290°)	10:04 pm	↑ (73°)	4:13 am	(67.4°)	234,457	74.2%
10	-		11:45 am	↑ (283°)	11:11 pm	↑ (81°)	5:01 am	(61.6°)	238,548	64.0%
11	-		12:07 pm	↑ (275°)	-		5:44 am	(55.5°)	242,375	53.5%
12	12:13 am	↑ (89°)	12:28 pm	↑ (267°)	-		6:26 am	(49.3°)	245,722	43.3%
13	1:14 am	↑ (97°)	12:49 pm	↑ (260°)	-		7:06 am	(43.4°)	248,433	33.6%
14	2:15 am	↑ (104°)	1:11 pm	↑ (253°)	-		7:47 am	(37.8°)	250,448	24.6%
15	3:16 am	↑ (111°)	1:35 pm	↑ (246°)	-		8:29 am	(32.7°)	251,751	16.8%
16	4:17 am	↑ (117°)	2:03 pm	↑ (241°)	-		9:13 am	(28.3°)	252,387	10.2%
17	5:19 am	↑ (122°)	2:37 pm	↑ (236°)	-		10:00 am	(24.9°)	252,425	5.2%
18	6:20 am	↑ (126°)	3:17 pm	↑ (233°)	-		10:50 am	(22.6°)	251,949	1.8%
19	7:17 am	↑ (128°)	4:05 pm	↑ (232°)	-		11:41 am	(21.6°)	251,043	0.3%
20	8:08 am	↑ (127°)	5:01 pm	↑ (233°)	-		12:34 pm	(22.1°)	249,773	0.7%
21	8:52 am	↑ (125°)	6:03 pm	↑ (236°)	-		1:26 pm	(24.0°)	248,189	3.1%
22	9:30 am	↑ (121°)	7:08 pm	↑ (241°)	-		2:16 pm	(27.2°)	246,310	7.5%
23	10:01 am	↑ (115°)	8:14 pm	↑ (247°)	-		3:03 pm	(31.6°)	244,150	13.7%
24	10:28 am	↑ (109°)	9:20 pm	↑ (255°)	-		3:49 pm	(37.0°)	241,711	21.7%
25	10:52 am	↑ (101°)	10:26 pm	↑ (263°)	-		4:34 pm	(43.0°)	239,012	31.1%
26	11:15 am	↑ (93°)	11:32 pm	↑ (271°)	-		5:18 pm	(49.5°)	236,106	41.6%
27	11:38 am	↑ (85°)	-		-		6:04 pm	(56.1°)	233,099	52.8%
28	-		12:41 am	↑ (280°)	12:03 pm	↑ (76°)	6:52 pm	(62.7°)	230,159	64.2%
29	-		1:53 am	↑ (288°)	12:31 pm	↑ (68°)	7:44 pm	(68.8°)	227,510	75.2%
30	-		3:09 am	↑ (296°)	1:06 pm	↑ (61°)	8:41 pm	(73.8°)	225,421	84.9%
31	-		4:28 am	↑ (303°)	1:50 pm	↑ (56°)	9:44 pm	(77.3°)	224,170	92.7%
* All times are local time for Castle Rock. They take into account refraction. Dates are based on the Gregorian calendar. Illumination is calculated at lunar noon.

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