Grand Canyon National Park, Arizona, USA — Moonrise, Moonset, and Moon Phases, May 2025

Moonrise, Moonset, and Phase Calendar for Grand Canyon National Park, May 2025

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2025	Moonrise/Moonset						Meridian Passing
May	Moonrise		Moonset		Moonrise		Time		Distance (mi)	Illumination
1	8:39 am	↑ (54°)	-		-		4:31 pm	(81.9°)	231,502	23.5%
2	-		12:18 am	↑ (305°)	9:47 am	↑ (56°)	5:30 pm	(79.6°)	235,459	33.9%
3	-		1:05 am	↑ (301°)	10:55 am	↑ (61°)	6:24 pm	(75.8°)	239,360	44.7%
4	-		1:42 am	↑ (296°)	12:02 pm	↑ (67°)	7:12 pm	(71.0°)	242,944	55.4%
5	-		2:13 am	↑ (290°)	1:05 pm	↑ (73°)	7:57 pm	(65.5°)	246,031	65.5%
6	-		2:38 am	↑ (283°)	2:05 pm	↑ (80°)	8:38 pm	(59.7°)	248,520	74.7%
7	-		3:02 am	↑ (276°)	3:03 pm	↑ (88°)	9:18 pm	(53.7°)	250,380	82.7%
8	-		3:24 am	↑ (269°)	3:59 pm	↑ (95°)	9:57 pm	(47.8°)	251,618	89.4%
9	-		3:45 am	↑ (262°)	4:56 pm	↑ (102°)	10:36 pm	(42.2°)	252,279	94.6%
10	-		4:08 am	↑ (255°)	5:54 pm	↑ (109°)	11:18 pm	(37.0°)	252,416	98.1%
11	-		4:34 am	↑ (248°)	6:54 pm	↑ (115°)	Moon does not pass the meridian on this day.
12	-		5:03 am	↑ (243°)	7:54 pm	↑ (120°)	12:01 am	(32.4°)	252,083	99.7%
13	-		5:37 am	↑ (238°)	8:55 pm	↑ (124°)	12:48 am	(28.6°)	251,322	99.5%
14	-		6:18 am	↑ (235°)	9:53 pm	↑ (126°)	1:38 am	(26.0°)	250,156	97.3%
15	-		7:06 am	↑ (234°)	10:47 pm	↑ (126°)	2:30 am	(24.7°)	248,595	93.2%
16	-		8:02 am	↑ (234°)	11:35 pm	↑ (124°)	3:24 am	(24.9°)	246,632	87.3%
17	-		9:04 am	↑ (237°)	-		4:18 am	(26.7°)	244,272	79.7%
18	12:16 am	↑ (120°)	10:09 am	↑ (242°)	-		5:10 am	(29.9°)	241,529	70.6%
19	12:51 am	↑ (115°)	11:16 am	↑ (248°)	-		6:00 am	(34.4°)	238,468	60.3%
20	1:22 am	↑ (108°)	12:23 pm	↑ (255°)	-		6:48 am	(40.0°)	235,183	49.3%
21	1:50 am	↑ (100°)	1:31 pm	↑ (263°)	-		7:36 am	(46.4°)	231,856	38.0%
22	2:17 am	↑ (92°)	2:40 pm	↑ (272°)	-		8:23 am	(53.4°)	228,705	26.9%
23	2:44 am	↑ (83°)	3:51 pm	↑ (281°)	-		9:12 am	(60.6°)	226,020	16.9%
24	3:14 am	↑ (75°)	5:06 pm	↑ (290°)	-		10:04 am	(67.6°)	224,072	8.7%
25	3:48 am	↑ (67°)	6:24 pm	↑ (297°)	-		11:00 am	(73.8°)	223,140	3.0%
26	4:29 am	↑ (60°)	7:43 pm	↑ (303°)	-		12:01 pm	(78.6°)	223,385	0.3%
27	5:19 am	↑ (56°)	8:57 pm	↑ (306°)	-		1:06 pm	(81.5°)	224,836	0.9%
28	6:19 am	↑ (54°)	10:03 pm	↑ (306°)	-		2:11 pm	(82.2°)	227,370	4.7%
29	7:27 am	↑ (55°)	10:56 pm	↑ (303°)	-		3:15 pm	(80.7°)	230,724	11.0%
30	8:38 am	↑ (59°)	11:38 pm	↑ (298°)	-		4:13 pm	(77.4°)	234,551	19.3%
31	9:47 am	↑ (64°)	-		-		5:05 pm	(72.8°)	238,499	28.8%
* All times are local time for Grand Canyon National Park. They take into account refraction. Dates are based on the Gregorian calendar. Illumination is calculated at lunar noon.

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