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San Martín Base, Antarctica — Moonrise, Moonset, and Moon Phases, December 2025

Moon: 0.6%
New Moon
Current Time: Dec 19, 2025 at 6:39:50 am
Moon Direction: 104° East
Moon Altitude: 24.0°
Moon Distance: 404,612 km
Next New Moon: Dec 19, 2025, 10:43 pm
Next Full Moon: Jan 3, 2026, 7:02 am

Moonrise, Moonset, and Phase Calendar for San Martín Base, December 2025

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2025 Moonrise/Moonset Meridian Passing
Dec Moonrise Moonset Moonrise Time Distance (km) Illumination
1 - 2:09 am (295°) 6:46 pm (51°) 10:26 pm (6.6°) 362,337 87.6%
2 - 1:40 am (315°) 9:42 pm (22°) 11:22 pm (0.9°) 358,773 94.6%
3 - 12:41 am (342°) - Moon does not pass the meridian on this day.
4 - Down all day - 12:23 am (-4.1°) 357,068 98.8%
5 - Down all day - 1:30 am (-6.9°) 357,488 99.7%
6 - Down all day - 2:37 am (-7.3°) 360,041 97.4%
7 - Down all day - 3:43 am (-5.5°) 364,437 92.1%
8 - Down all day - 4:43 am (-1.0°) 370,179 84.5%
9 3:15 am (32°) 8:19 am (323°) - 5:36 am (3.4°) 376,628 75.2%
10 2:39 am (53°) 10:34 am (301°) - 6:25 am (9.0°) 383,227 65.1%
11 2:15 am (70°) 12:30 pm (283°) - 7:09 am (15.0°) 389,449 54.6%
12 1:56 am (86°) 2:16 pm (266°) - 7:51 am (21.1°) 394,931 44.3%
13 1:37 am (102°) 4:02 pm (249°) - 8:31 am (27.1°) 399,409 34.5%
14 1:17 am (117°) 5:51 pm (232°) - 9:12 am (32.7°) 402,771 25.5%
15 12:53 am (133°) 7:57 pm (211°) - 9:53 am (37.9°) 404,986 17.6%
16 12:16 am (152°) - - 10:37 am (42.4°) 406,118 10.9%
17 - Up all day - 11:24 am (45.9°) 406,274 5.6%
18 - Up all day - 12:13 pm (48.4°) 405,588 2.1%
19 - Up all day - 1:05 pm (49.5°) 404,196 0.3%
20 - Up all day - 1:57 pm (49.2°) 402,210 0.5%
21 - Up all day - 2:49 pm (47.4°) 399,711 2.7%
22 - Up all day - 3:39 pm (44.2°) 396,736 6.9%
23 - 2:57 am (195°) 5:27 am (161°) 4:28 pm (39.9°) 393,308 13.0%
24 - 1:59 am (219°) 8:03 am (136°) 5:14 pm (34.6°) 389,427 20.8%
25 - 1:30 am (238°) 10:06 am (116°) 5:58 pm (28.7°) 385,127 30.0%
26 - 1:08 am (255°) 12:02 pm (98°) 6:42 pm (22.3°) 380,477 40.5%
27 - 12:48 am (271°) 1:58 pm (79°) 7:28 pm (15.6°) 375,645 51.6%
28 - 12:28 am (289°) 4:02 pm (59°) 8:15 pm (9.1°) 370,886 63.1%
29 - 12:03 am (307°) 6:28 pm (36°) 9:07 pm (3.2°) 366,556 74.1%
- 11:24 pm (329°) - Moon does not pass the meridian on this day.
30 - Down all day - 10:04 pm (-1.3°) 363,076 84.0%
31 - Down all day - 11:06 pm (-5.8°) 360,902 92.0%
* All times are local time for San Martín Base. They take into account refraction. Dates are based on the Gregorian calendar. Illumination is calculated at lunar noon. Below horizon is marked in red.

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