Hermiston, Oregon, USA — Moonrise, Moonset, and Moon Phases, December 2025

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

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2025	Moonrise/Moonset						Meridian Passing
Dec	Moonrise		Moonset		Moonrise		Time		Distance (mi)	Illumination
1	-		3:08 am	↑ (285°)	1:51 pm	↑ (71°)	9:02 pm	(58.9°)	224,762	88.8%
2	-		4:32 am	↑ (295°)	2:17 pm	↑ (62°)	9:59 pm	(64.8°)	222,700	95.4%
3	-		5:59 am	↑ (303°)	2:51 pm	↑ (54°)	11:02 pm	(69.3°)	221,826	99.1%
4	-		7:26 am	↑ (310°)	3:38 pm	↑ (49°)	Moon does not pass the meridian on this day.
5	-		8:44 am	↑ (313°)	4:40 pm	↑ (47°)	12:08 am	(71.8°)	222,283	99.6%
6	-		9:47 am	↑ (311°)	5:55 pm	↑ (50°)	1:16 am	(71.9°)	224,050	96.8%
7	-		10:33 am	↑ (307°)	7:16 pm	↑ (55°)	2:21 am	(69.7°)	226,923	91.1%
8	-		11:07 am	↑ (300°)	8:37 pm	↑ (63°)	3:20 am	(65.8°)	230,581	83.2%
9	-		11:32 am	↑ (292°)	9:53 pm	↑ (71°)	4:12 am	(60.6°)	234,622	73.8%
10	-		11:52 am	↑ (284°)	11:05 pm	↑ (80°)	5:00 am	(54.8°)	238,709	63.6%
11	-		12:09 pm	↑ (275°)	-		5:44 am	(48.7°)	242,520	53.1%
12	12:13 am	↑ (89°)	12:25 pm	↑ (266°)	-		6:25 am	(42.5°)	245,843	42.9%
13	1:19 am	↑ (98°)	12:40 pm	↑ (258°)	-		7:06 am	(36.6°)	248,528	33.2%
14	2:25 am	↑ (106°)	12:57 pm	↑ (250°)	-		7:46 am	(31.0°)	250,514	24.3%
15	3:31 am	↑ (114°)	1:17 pm	↑ (243°)	-		8:28 am	(26.0°)	251,789	16.5%
16	4:38 am	↑ (121°)	1:40 pm	↑ (237°)	-		9:13 am	(21.7°)	252,400	10.0%
17	5:45 am	↑ (127°)	2:09 pm	↑ (232°)	-		10:00 am	(18.3°)	252,416	5.0%
18	6:49 am	↑ (131°)	2:47 pm	↑ (228°)	-		10:49 am	(16.0°)	251,921	1.7%
19	7:48 am	↑ (133°)	3:34 pm	↑ (227°)	-		11:41 am	(15.1°)	250,998	0.2%
20	8:38 am	↑ (132°)	4:32 pm	↑ (228°)	-		12:34 pm	(15.6°)	249,715	0.7%
21	9:19 am	↑ (129°)	5:37 pm	↑ (232°)	-		1:25 pm	(17.6°)	248,119	3.2%
22	9:52 am	↑ (124°)	6:47 pm	↑ (238°)	-		2:15 pm	(20.9°)	246,229	7.7%
23	10:18 am	↑ (118°)	7:58 pm	↑ (245°)	-		3:03 pm	(25.3°)	244,058	14.0%
24	10:39 am	↑ (110°)	9:10 pm	↑ (253°)	-		3:49 pm	(30.7°)	241,607	22.0%
25	10:58 am	↑ (102°)	10:21 pm	↑ (262°)	-		4:33 pm	(36.7°)	238,899	31.5%
26	11:15 am	↑ (93°)	11:34 pm	↑ (272°)	-		5:18 pm	(43.2°)	235,987	42.1%
27	11:33 am	↑ (84°)	-		-		6:03 pm	(49.9°)	232,978	53.3%
28	-		12:49 am	↑ (282°)	11:52 am	↑ (74°)	6:51 pm	(56.4°)	230,046	64.7%
29	-		2:07 am	↑ (291°)	12:15 pm	↑ (65°)	7:44 pm	(62.4°)	227,413	75.6%
30	-		3:30 am	↑ (300°)	12:44 pm	↑ (57°)	8:42 pm	(67.4°)	225,353	85.3%
31	-		4:55 am	↑ (307°)	1:23 pm	↑ (51°)	9:45 pm	(70.8°)	224,140	92.9%
* All times are local time for Hermiston. They take into account refraction. Dates are based on the Gregorian calendar. Illumination is calculated at lunar noon.

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