San Marcos, Texas, USA — Moonrise, Moonset, and Moon Phases, December 2025

Moonrise, Moonset, and Phase Calendar for San Marcos, December 2025

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2025	Moonrise/Moonset						Meridian Passing
Dec	Moonrise		Moonset		Moonrise		Time		Distance (mi)	Illumination
1	-		3:18 am	↑ (282°)	2:49 pm	↑ (75°)	9:34 pm	(74.8°)	224,917	88.3%
2	-		4:27 am	↑ (289°)	3:28 pm	↑ (68°)	10:30 pm	(80.8°)	222,792	95.0%
3	-		5:41 am	↑ (296°)	4:15 pm	↑ (62°)	11:32 pm	(85.3°)	221,841	99.0%
4	-		6:57 am	↑ (301°)	5:11 pm	↑ (58°)	Moon does not pass the meridian on this day.
5	-		8:10 am	↑ (303°)	6:15 pm	↑ (57°)	12:39 am	(87.9°)	222,218	99.7%
6	-		9:16 am	↑ (302°)	7:26 pm	↑ (59°)	1:47 am	(88.2°)	223,912	97.1%
7	-		10:11 am	↑ (299°)	8:37 pm	↑ (63°)	2:51 am	(86.1°)	226,728	91.5%
8	-		10:57 am	↑ (294°)	9:45 pm	↑ (68°)	3:51 am	(82.3°)	230,350	83.7%
9	-		11:34 am	↑ (288°)	10:49 pm	↑ (75°)	4:44 am	(77.2°)	234,378	74.4%
10	-		12:07 pm	↑ (281°)	11:49 pm	↑ (82°)	5:32 am	(71.4°)	238,471	64.2%
11	-		12:35 pm	↑ (274°)	-		6:16 am	(65.2°)	242,305	53.7%
12	12:45 am	↑ (89°)	1:02 pm	↑ (268°)	-		6:57 am	(59.1°)	245,663	43.5%
13	1:40 am	↑ (96°)	1:29 pm	↑ (261°)	-		7:38 am	(53.1°)	248,388	33.7%
14	2:35 am	↑ (103°)	1:56 pm	↑ (255°)	-		8:19 am	(47.5°)	250,416	24.8%
15	3:29 am	↑ (109°)	2:26 pm	↑ (249°)	-		9:00 am	(42.4°)	251,733	16.9%
16	4:25 am	↑ (114°)	2:59 pm	↑ (244°)	-		9:45 am	(38.0°)	252,381	10.4%
17	5:22 am	↑ (118°)	3:37 pm	↑ (240°)	-		10:32 am	(34.5°)	252,430	5.3%
18	6:19 am	↑ (121°)	4:21 pm	↑ (238°)	-		11:21 am	(32.2°)	251,963	1.9%
19	7:14 am	↑ (123°)	5:11 pm	↑ (237°)	-		12:13 pm	(31.2°)	251,064	0.3%
20	8:06 am	↑ (123°)	6:05 pm	↑ (238°)	-		1:05 pm	(31.6°)	249,800	0.6%
21	8:53 am	↑ (121°)	7:04 pm	↑ (240°)	-		1:57 pm	(33.5°)	248,222	3.0%
22	9:35 am	↑ (117°)	8:04 pm	↑ (245°)	-		2:47 pm	(36.7°)	246,349	7.4%
23	10:12 am	↑ (113°)	9:04 pm	↑ (250°)	-		3:35 pm	(41.1°)	244,194	13.6%
24	10:45 am	↑ (107°)	10:03 pm	↑ (256°)	-		4:21 pm	(46.4°)	241,760	21.5%
25	11:15 am	↑ (100°)	11:02 pm	↑ (263°)	-		5:05 pm	(52.5°)	239,066	30.9%
26	11:44 am	↑ (93°)	-		-		5:50 pm	(59.0°)	236,163	41.4%
27	-		12:02 am	↑ (271°)	12:14 pm	↑ (85°)	6:35 pm	(65.6°)	233,156	52.6%
28	-		1:04 am	↑ (279°)	12:46 pm	↑ (78°)	7:23 pm	(72.2°)	230,214	64.0%
29	-		2:09 am	↑ (286°)	1:21 pm	↑ (71°)	8:15 pm	(78.3°)	227,557	75.0%
30	-		3:18 am	↑ (293°)	2:02 pm	↑ (64°)	9:13 pm	(83.4°)	225,454	84.7%
31	-		4:30 am	↑ (299°)	2:52 pm	↑ (60°)	10:15 pm	(86.9°)	224,184	92.6%
* All times are local time for San Marcos. They take into account refraction. Dates are based on the Gregorian calendar. Illumination is calculated at lunar noon.

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