Rocky Mountain, Colorado, USA — Moonrise, Moonset, and Moon Phases, December 2025

Moonrise, Moonset, and Phase Calendar for Rocky Mountain, December 2025

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2025	Moonrise/Moonset						Meridian Passing
Dec	Moonrise		Moonset		Moonrise		Time		Distance (mi)	Illumination
1	-		2:57 am	↑ (283°)	2:05 pm	↑ (73°)	9:03 pm	(65.8°)	224,866	88.4%
2	-		4:14 am	↑ (292°)	2:38 pm	↑ (65°)	9:59 pm	(71.7°)	222,761	95.1%
3	-		5:34 am	↑ (299°)	3:18 pm	↑ (58°)	11:02 pm	(76.3°)	221,836	99.0%
4	-		6:55 am	↑ (305°)	4:10 pm	↑ (54°)	Moon does not pass the meridian on this day.
5	-		8:11 am	↑ (307°)	5:13 pm	↑ (53°)	12:08 am	(78.8°)	222,239	99.6%
6	-		9:16 am	↑ (306°)	6:25 pm	↑ (55°)	1:16 am	(79.0°)	223,957	97.0%
7	-		10:07 am	↑ (303°)	7:41 pm	↑ (59°)	2:21 am	(76.9°)	226,792	91.4%
8	-		10:47 am	↑ (297°)	8:56 pm	↑ (66°)	3:20 am	(73.1°)	230,426	83.6%
9	-		11:18 am	↑ (290°)	10:06 pm	↑ (73°)	4:13 am	(67.9°)	234,458	74.2%
10	-		11:44 am	↑ (283°)	11:11 pm	↑ (81°)	5:01 am	(62.1°)	238,549	64.0%
11	-		12:07 pm	↑ (275°)	-		5:45 am	(56.0°)	242,376	53.5%
12	12:14 am	↑ (89°)	12:29 pm	↑ (267°)	-		6:26 am	(49.9°)	245,722	43.3%
13	1:15 am	↑ (97°)	12:50 pm	↑ (260°)	-		7:07 am	(43.9°)	248,434	33.5%
14	2:15 am	↑ (104°)	1:12 pm	↑ (253°)	-		7:47 am	(38.3°)	250,448	24.6%
15	3:15 am	↑ (111°)	1:37 pm	↑ (246°)	-		8:29 am	(33.2°)	251,752	16.8%
16	4:16 am	↑ (117°)	2:05 pm	↑ (241°)	-		9:14 am	(28.8°)	252,387	10.2%
17	5:18 am	↑ (122°)	2:39 pm	↑ (236°)	-		10:01 am	(25.4°)	252,425	5.2%
18	6:18 am	↑ (126°)	3:19 pm	↑ (234°)	-		10:50 am	(23.1°)	251,949	1.8%
19	7:15 am	↑ (127°)	4:08 pm	↑ (232°)	-		11:42 am	(22.1°)	251,042	0.3%
20	8:07 am	↑ (127°)	5:04 pm	↑ (234°)	-		12:34 pm	(22.6°)	249,773	0.7%
21	8:51 am	↑ (125°)	6:05 pm	↑ (237°)	-		1:26 pm	(24.5°)	248,188	3.1%
22	9:28 am	↑ (121°)	7:10 pm	↑ (241°)	-		2:16 pm	(27.8°)	246,310	7.5%
23	10:00 am	↑ (115°)	8:15 pm	↑ (248°)	-		3:04 pm	(32.2°)	244,150	13.7%
24	10:27 am	↑ (108°)	9:21 pm	↑ (255°)	-		3:50 pm	(37.5°)	241,710	21.7%
25	10:52 am	↑ (101°)	10:26 pm	↑ (263°)	-		4:34 pm	(43.5°)	239,011	31.1%
26	11:15 am	↑ (93°)	11:33 pm	↑ (271°)	-		5:19 pm	(50.0°)	236,105	41.6%
27	11:39 am	↑ (85°)	-		-		6:04 pm	(56.7°)	233,098	52.8%
28	-		12:41 am	↑ (280°)	12:04 pm	↑ (76°)	6:52 pm	(63.2°)	230,158	64.2%
29	-		1:53 am	↑ (288°)	12:33 pm	↑ (68°)	7:44 pm	(69.3°)	227,510	75.2%
30	-		3:08 am	↑ (296°)	1:08 pm	↑ (61°)	8:42 pm	(74.4°)	225,421	84.9%
31	-		4:27 am	↑ (302°)	1:53 pm	↑ (56°)	9:45 pm	(77.8°)	224,169	92.7%
* All times are local time for Rocky Mountain. They take into account refraction. Dates are based on the Gregorian calendar. Illumination is calculated at lunar noon.

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