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

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

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2025	Moonrise/Moonset						Meridian Passing
Dec	Moonrise		Moonset		Moonrise		Time		Distance (mi)	Illumination
1	-		2:59 am	↑ (283°)	2:14 pm	↑ (73°)	9:08 pm	(69.5°)	224,753	88.8%
2	-		4:13 am	↑ (291°)	2:50 pm	↑ (66°)	10:05 pm	(75.4°)	222,694	95.4%
3	-		5:31 am	↑ (298°)	3:34 pm	↑ (60°)	11:07 pm	(79.9°)	221,825	99.1%
4	-		6:50 am	↑ (303°)	4:27 pm	↑ (56°)	Moon does not pass the meridian on this day.
5	-		8:04 am	↑ (305°)	5:32 pm	↑ (55°)	12:14 am	(82.3°)	222,287	99.6%
6	-		9:09 am	↑ (305°)	6:44 pm	↑ (57°)	1:22 am	(82.4°)	224,059	96.8%
7	-		10:01 am	↑ (301°)	7:58 pm	↑ (61°)	2:26 am	(80.2°)	226,936	91.1%
8	-		10:43 am	↑ (296°)	9:09 pm	↑ (67°)	3:25 am	(76.3°)	230,596	83.2%
9	-		11:16 am	↑ (289°)	10:16 pm	↑ (74°)	4:18 am	(71.1°)	234,638	73.8%
10	-		11:45 am	↑ (282°)	11:20 pm	↑ (82°)	5:06 am	(65.3°)	238,724	63.5%
11	-		12:10 pm	↑ (274°)	-		5:49 am	(59.1°)	242,533	53.1%
12	12:20 am	↑ (89°)	12:33 pm	↑ (267°)	-		6:31 am	(53.0°)	245,855	42.8%
13	1:18 am	↑ (97°)	12:57 pm	↑ (260°)	-		7:11 am	(47.0°)	248,537	33.1%
14	2:16 am	↑ (104°)	1:21 pm	↑ (253°)	-		7:52 am	(41.4°)	250,520	24.3%
15	3:14 am	↑ (110°)	1:48 pm	↑ (247°)	-		8:34 am	(36.4°)	251,793	16.5%
16	4:13 am	↑ (116°)	2:19 pm	↑ (242°)	-		9:18 am	(32.1°)	252,401	10.0%
17	5:12 am	↑ (121°)	2:54 pm	↑ (238°)	-		10:06 am	(28.7°)	252,415	5.0%
18	6:11 am	↑ (124°)	3:37 pm	↑ (235°)	-		10:55 am	(26.4°)	251,918	1.7%
19	7:07 am	↑ (126°)	4:26 pm	↑ (234°)	-		11:47 am	(25.5°)	250,994	0.2%
20	7:59 am	↑ (125°)	5:22 pm	↑ (235°)	-		12:39 pm	(26.0°)	249,710	0.7%
21	8:44 am	↑ (123°)	6:22 pm	↑ (238°)	-		1:31 pm	(28.0°)	248,112	3.2%
22	9:23 am	↑ (119°)	7:25 pm	↑ (243°)	-		2:21 pm	(31.3°)	246,222	7.7%
23	9:56 am	↑ (114°)	8:28 pm	↑ (249°)	-		3:09 pm	(35.8°)	244,049	14.0%
24	10:26 am	↑ (107°)	9:31 pm	↑ (256°)	-		3:54 pm	(41.1°)	241,597	22.1%
25	10:53 am	↑ (100°)	10:34 pm	↑ (264°)	-		4:39 pm	(47.2°)	238,888	31.5%
26	11:18 am	↑ (92°)	11:38 pm	↑ (272°)	-		5:23 pm	(53.7°)	235,975	42.1%
27	11:44 am	↑ (84°)	-		-		6:09 pm	(60.4°)	232,966	53.3%
28	-		12:44 am	↑ (280°)	12:12 pm	↑ (76°)	6:57 pm	(66.9°)	230,035	64.7%
29	-		1:53 am	↑ (288°)	12:44 pm	↑ (69°)	7:49 pm	(73.0°)	227,404	75.6%
30	-		3:06 am	↑ (295°)	1:22 pm	↑ (62°)	8:47 pm	(78.0°)	225,347	85.3%
31	-		4:22 am	↑ (301°)	2:09 pm	↑ (57°)	9:50 pm	(81.4°)	224,137	93.0%
* All times are local time for Atascadero. They take into account refraction. Dates are based on the Gregorian calendar. Illumination is calculated at lunar noon.

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