Napa, California, USA — Moonrise, Moonset, and Moon Phases, December 2025

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

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2025	Moonrise/Moonset						Meridian Passing
Dec	Moonrise		Moonset		Moonrise		Time		Distance (mi)	Illumination
1	-		3:10 am	↑ (283°)	2:17 pm	↑ (73°)	9:15 pm	(66.7°)	224,741	88.8%
2	-		4:26 am	↑ (292°)	2:50 pm	↑ (65°)	10:12 pm	(72.6°)	222,687	95.4%
3	-		5:46 am	↑ (299°)	3:32 pm	↑ (58°)	11:14 pm	(77.0°)	221,824	99.1%
4	-		7:06 am	↑ (305°)	4:24 pm	↑ (54°)	Moon does not pass the meridian on this day.
5	-		8:22 am	↑ (307°)	5:28 pm	↑ (53°)	12:21 am	(79.5°)	222,292	99.6%
6	-		9:26 am	↑ (306°)	6:40 pm	↑ (55°)	1:28 am	(79.5°)	224,070	96.8%
7	-		10:17 am	↑ (302°)	7:56 pm	↑ (60°)	2:33 am	(77.4°)	226,951	91.1%
8	-		10:56 am	↑ (296°)	9:10 pm	↑ (66°)	3:32 am	(73.4°)	230,613	83.1%
9	-		11:28 am	↑ (290°)	10:19 pm	↑ (74°)	4:25 am	(68.2°)	234,656	73.7%
10	-		11:54 am	↑ (282°)	11:24 pm	↑ (82°)	5:12 am	(62.4°)	238,742	63.5%
11	-		12:17 pm	↑ (274°)	-		5:56 am	(56.3°)	242,550	53.0%
12	12:26 am	↑ (89°)	12:39 pm	↑ (267°)	-		6:38 am	(50.1°)	245,868	42.8%
13	1:26 am	↑ (97°)	1:01 pm	↑ (259°)	-		7:18 am	(44.2°)	248,547	33.1%
14	2:26 am	↑ (104°)	1:23 pm	↑ (253°)	-		7:59 am	(38.6°)	250,527	24.2%
15	3:26 am	↑ (111°)	1:48 pm	↑ (246°)	-		8:41 am	(33.5°)	251,797	16.5%
16	4:27 am	↑ (117°)	2:17 pm	↑ (241°)	-		9:25 am	(29.2°)	252,402	10.0%
17	5:28 am	↑ (122°)	2:52 pm	↑ (236°)	-		10:12 am	(25.8°)	252,414	5.0%
18	6:28 am	↑ (125°)	3:33 pm	↑ (234°)	-		11:02 am	(23.6°)	251,915	1.7%
19	7:25 am	↑ (127°)	4:22 pm	↑ (233°)	-		11:54 am	(22.7°)	250,989	0.2%
20	8:16 am	↑ (127°)	5:18 pm	↑ (234°)	-		12:46 pm	(23.2°)	249,703	0.7%
21	9:00 am	↑ (124°)	6:20 pm	↑ (237°)	-		1:38 pm	(25.2°)	248,104	3.3%
22	9:38 am	↑ (120°)	7:24 pm	↑ (242°)	-		2:28 pm	(28.5°)	246,213	7.7%
23	10:09 am	↑ (115°)	8:29 pm	↑ (248°)	-		3:15 pm	(33.0°)	244,038	14.1%
24	10:37 am	↑ (108°)	9:34 pm	↑ (255°)	-		4:01 pm	(38.3°)	241,586	22.1%
25	11:02 am	↑ (100°)	10:39 pm	↑ (263°)	-		4:46 pm	(44.4°)	238,876	31.6%
26	11:26 am	↑ (92°)	11:45 pm	↑ (272°)	-		5:30 pm	(50.9°)	235,962	42.1%
27	11:49 am	↑ (84°)	-		-		6:16 pm	(57.6°)	232,953	53.4%
28	-		12:53 am	↑ (280°)	12:15 pm	↑ (76°)	7:04 pm	(64.1°)	230,023	64.8%
29	-		2:05 am	↑ (289°)	12:45 pm	↑ (68°)	7:56 pm	(70.1°)	227,393	75.7%
30	-		3:20 am	↑ (296°)	1:21 pm	↑ (61°)	8:54 pm	(75.1°)	225,339	85.3%
31	-		4:38 am	↑ (302°)	2:06 pm	↑ (56°)	9:57 pm	(78.5°)	224,134	93.0%
* All times are local time for Napa. They take into account refraction. Dates are based on the Gregorian calendar. Illumination is calculated at lunar noon.

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