Isla Observatorio, Tierra del Fuego, Argentina — Moonrise, Moonset, and Moon Phases, December 2025

Moonrise, Moonset, and Phase Calendar for Isla Observatorio, December 2025

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2025	Moonrise/Moonset						Meridian Passing
Dec	Moonrise		Moonset		Moonrise		Time		Distance (mi)	Illumination
1	-		2:39 am	↑ (286°)	5:21 pm	↑ (67°)	10:13 pm	(20.1°)	225,168	87.5%
2	-		2:50 am	↑ (298°)	7:00 pm	↑ (55°)	11:09 pm	(14.1°)	222,945	94.5%
3	-		3:05 am	↑ (309°)	8:43 pm	↑ (44°)	Moon does not pass the meridian on this day.
4	-		3:29 am	↑ (318°)	10:20 pm	↑ (37°)	12:11 am	(9.5°)	221,875	98.7%
5	-		4:10 am	↑ (324°)	11:36 pm	↑ (35°)	1:17 am	(6.8°)	222,125	99.7%
6	-		5:16 am	↑ (325°)	-		2:25 am	(6.3°)	223,701	97.4%
7	12:25 am	↑ (39°)	6:43 am	↑ (320°)	-		3:30 am	(8.1°)	226,424	92.2%
8	12:53 am	↑ (47°)	8:18 am	↑ (311°)	-		4:30 am	(11.8°)	229,987	84.5%
9	1:10 am	↑ (56°)	9:51 am	↑ (300°)	-		5:24 am	(16.7°)	233,992	75.3%
10	1:22 am	↑ (66°)	11:18 am	↑ (289°)	-		6:12 am	(22.4°)	238,093	65.2%
11	1:30 am	↑ (77°)	12:39 pm	↑ (278°)	-		6:57 am	(28.5°)	241,962	54.7%
12	1:37 am	↑ (87°)	1:57 pm	↑ (267°)	-		7:38 am	(34.6°)	245,373	44.4%
13	1:44 am	↑ (97°)	3:13 pm	↑ (257°)	-		8:19 am	(40.6°)	248,161	34.6%
14	1:51 am	↑ (107°)	4:28 pm	↑ (247°)	-		8:59 am	(46.3°)	250,256	25.6%
15	1:59 am	↑ (117°)	5:45 pm	↑ (237°)	-		9:41 am	(51.5°)	251,638	17.6%
16	2:10 am	↑ (126°)	7:03 pm	↑ (229°)	-		10:25 am	(56.0°)	252,347	10.9%
17	2:25 am	↑ (133°)	8:19 pm	↑ (222°)	-		11:12 am	(59.5°)	252,449	5.7%
18	2:47 am	↑ (140°)	9:30 pm	↑ (217°)	-		12:01 pm	(62.0°)	252,026	2.1%
19	3:20 am	↑ (144°)	10:28 pm	↑ (215°)	-		12:53 pm	(63.1°)	251,165	0.3%
20	4:10 am	↑ (144°)	11:11 pm	↑ (218°)	-		1:45 pm	(62.8°)	249,933	0.5%
21	5:15 am	↑ (141°)	11:40 pm	↑ (223°)	-		2:37 pm	(61.0°)	248,383	2.7%
22	6:32 am	↑ (135°)	11:59 pm	↑ (231°)	-		3:27 pm	(57.9°)	246,537	6.9%
23	7:54 am	↑ (127°)	-		-		4:15 pm	(53.6°)	244,409	12.9%
24	-		12:13 am	↑ (239°)	9:17 am	↑ (117°)	5:01 pm	(48.3°)	242,000	20.7%
25	-		12:23 am	↑ (249°)	10:40 am	↑ (106°)	5:46 pm	(42.3°)	239,330	30.0%
26	-		12:31 am	↑ (260°)	12:03 pm	↑ (95°)	6:30 pm	(35.9°)	236,442	40.4%
27	-		12:38 am	↑ (271°)	1:27 pm	↑ (83°)	7:15 pm	(29.2°)	233,440	51.6%
28	-		12:46 am	↑ (282°)	2:55 pm	↑ (71°)	8:03 pm	(22.7°)	230,481	63.0%
29	-		12:55 am	↑ (293°)	4:28 pm	↑ (60°)	8:55 pm	(16.6°)	227,788	74.0%
30	-		1:08 am	↑ (304°)	6:06 pm	↑ (49°)	9:52 pm	(11.4°)	225,620	83.9%
31	-		1:26 am	↑ (314°)	7:44 pm	↑ (40°)	10:54 pm	(7.8°)	224,261	91.9%
* All times are local time for Isla Observatorio. They take into account refraction. Dates are based on the Gregorian calendar. Illumination is calculated at lunar noon.

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