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

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

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2025	Moonrise/Moonset						Meridian Passing
Dec	Moonrise		Moonset		Moonrise		Time		Distance (mi)	Illumination
1	-		2:44 am	↑ (283°)	2:03 pm	↑ (74°)	8:54 pm	(70.8°)	224,776	88.7%
2	-		3:57 am	↑ (291°)	2:40 pm	↑ (66°)	9:51 pm	(76.7°)	222,708	95.3%
3	-		5:13 am	↑ (297°)	3:24 pm	↑ (60°)	10:54 pm	(81.2°)	221,827	99.1%
4	-		6:31 am	↑ (302°)	4:18 pm	↑ (56°)	Moon does not pass the meridian on this day.
5	-		7:45 am	↑ (305°)	5:23 pm	↑ (55°)	12:00 am	(83.7°)	222,277	99.6%
6	-		8:50 am	↑ (304°)	6:34 pm	↑ (57°)	1:08 am	(83.8°)	224,038	96.8%
7	-		9:43 am	↑ (300°)	7:48 pm	↑ (62°)	2:13 am	(81.7°)	226,906	91.2%
8	-		10:26 am	↑ (295°)	8:58 pm	↑ (68°)	3:12 am	(77.7°)	230,560	83.3%
9	-		11:01 am	↑ (289°)	10:05 pm	↑ (75°)	4:05 am	(72.6°)	234,600	73.8%
10	-		11:30 am	↑ (282°)	11:07 pm	↑ (82°)	4:52 am	(66.7°)	238,687	63.6%
11	-		11:56 am	↑ (274°)	-		5:36 am	(60.6°)	242,500	53.2%
12	12:06 am	↑ (89°)	12:20 pm	↑ (267°)	-		6:17 am	(54.5°)	245,827	42.9%
13	1:03 am	↑ (97°)	12:44 pm	↑ (260°)	-		6:58 am	(48.5°)	248,515	33.2%
14	2:00 am	↑ (104°)	1:10 pm	↑ (254°)	-		7:38 am	(42.9°)	250,505	24.4%
15	2:57 am	↑ (110°)	1:37 pm	↑ (248°)	-		8:21 am	(37.8°)	251,784	16.6%
16	3:56 am	↑ (116°)	2:09 pm	↑ (242°)	-		9:05 am	(33.5°)	252,398	10.0%
17	4:55 am	↑ (120°)	2:45 pm	↑ (238°)	-		9:52 am	(30.1°)	252,417	5.0%
18	5:53 am	↑ (123°)	3:28 pm	↑ (236°)	-		10:42 am	(27.8°)	251,925	1.7%
19	6:49 am	↑ (125°)	4:17 pm	↑ (235°)	-		11:33 am	(26.9°)	251,004	0.2%
20	7:40 am	↑ (125°)	5:13 pm	↑ (236°)	-		12:26 pm	(27.4°)	249,723	0.7%
21	8:26 am	↑ (122°)	6:13 pm	↑ (239°)	-		1:17 pm	(29.4°)	248,128	3.2%
22	9:06 am	↑ (119°)	7:15 pm	↑ (243°)	-		2:07 pm	(32.7°)	246,240	7.7%
23	9:40 am	↑ (113°)	8:17 pm	↑ (249°)	-		2:55 pm	(37.1°)	244,070	14.0%
24	10:10 am	↑ (107°)	9:19 pm	↑ (256°)	-		3:41 pm	(42.5°)	241,621	22.0%
25	10:38 am	↑ (100°)	10:21 pm	↑ (264°)	-		4:25 pm	(48.5°)	238,914	31.4%
26	11:05 am	↑ (92°)	11:24 pm	↑ (272°)	-		5:10 pm	(55.0°)	236,002	42.0%
27	11:32 am	↑ (85°)	-		-		5:55 pm	(61.7°)	232,994	53.2%
28	-		12:29 am	↑ (280°)	12:00 pm	↑ (77°)	6:43 pm	(68.3°)	230,061	64.6%
29	-		1:37 am	↑ (287°)	12:33 pm	↑ (69°)	7:36 pm	(74.3°)	227,426	75.5%
30	-		2:49 am	↑ (295°)	1:12 pm	↑ (63°)	8:34 pm	(79.4°)	225,362	85.2%
31	-		4:04 am	↑ (300°)	2:00 pm	↑ (58°)	9:37 pm	(82.8°)	224,144	92.9%
* All times are local time for Rialto. They take into account refraction. Dates are based on the Gregorian calendar. Illumination is calculated at lunar noon.

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