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Ko Samui Island, Changwat Surat Thani, Thailand — Sunrise, Sunset, and Daylength, December 2025

Daylight

6:02 am – 6:43 pm
12 hours, 41 minutes

Current Time: Jun 26, 2025 at 4:49:17 am
Sun Direction: 61.83° ENE↑
Sun Altitude: -17.10°
Sun Distance: 94.488 million mi
Next Equinox: Sep 23, 2025 1:19 am (Sep. Eq.)
Sunrise Today: 6:02 am↑ 66° East
Sunset Today: 6:43 pm↑ 294° Northwest
Location of Ko Samui IslandLocation

2025 Sun Graph for Ko Samui Island

December 2025 — Sun in Ko Samui Island

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2025Sunrise/SunsetDaylengthAstronomical TwilightNautical TwilightCivil TwilightSolar Noon
DecSunriseSunsetLengthDiff.StartEndStartEndStartEndTimeMil. mi
16:20 am ↑ (112°)5:57 pm ↑ (248°)11:36:42−0:135:06 am7:11 pm5:32 am6:45 pm5:58 am6:19 pm12:09 pm (58.7°)91.664
26:21 am ↑ (112°)5:57 pm ↑ (248°)11:36:29−0:135:06 am7:12 pm5:32 am6:46 pm5:58 am6:20 pm12:09 pm (58.5°)91.649
36:21 am ↑ (112°)5:57 pm ↑ (248°)11:36:16−0:125:06 am7:12 pm5:32 am6:46 pm5:59 am6:20 pm12:09 pm (58.4°)91.634
46:22 am ↑ (112°)5:58 pm ↑ (248°)11:36:04−0:125:07 am7:12 pm5:33 am6:46 pm5:59 am6:20 pm12:10 pm (58.2°)91.620
56:22 am ↑ (113°)5:58 pm ↑ (247°)11:35:53−0:115:07 am7:13 pm5:33 am6:47 pm6:00 am6:21 pm12:10 pm (58.1°)91.606
66:23 am ↑ (113°)5:58 pm ↑ (247°)11:35:42−0:105:08 am7:13 pm5:34 am6:47 pm6:00 am6:21 pm12:11 pm (58.0°)91.593
76:23 am ↑ (113°)5:59 pm ↑ (247°)11:35:32−0:105:08 am7:14 pm5:34 am6:48 pm6:01 am6:21 pm12:11 pm (57.9°)91.580
86:24 am ↑ (113°)5:59 pm ↑ (247°)11:35:22−0:095:09 am7:14 pm5:35 am6:48 pm6:01 am6:22 pm12:11 pm (57.8°)91.569
96:24 am ↑ (113°)5:59 pm ↑ (247°)11:35:13−0:085:09 am7:14 pm5:35 am6:48 pm6:02 am6:22 pm12:12 pm (57.7°)91.557
106:25 am ↑ (113°)6:00 pm ↑ (247°)11:35:05−0:085:10 am7:15 pm5:36 am6:49 pm6:02 am6:23 pm12:12 pm (57.6°)91.546
116:25 am ↑ (113°)6:00 pm ↑ (247°)11:34:57−0:075:10 am7:15 pm5:36 am6:49 pm6:03 am6:23 pm12:13 pm (57.5°)91.536
126:26 am ↑ (113°)6:01 pm ↑ (247°)11:34:51−0:065:11 am7:16 pm5:37 am6:50 pm6:03 am6:23 pm12:13 pm (57.4°)91.526
136:26 am ↑ (113°)6:01 pm ↑ (247°)11:34:44−0:065:11 am7:16 pm5:37 am6:50 pm6:04 am6:24 pm12:14 pm (57.3°)91.516
146:27 am ↑ (113°)6:01 pm ↑ (247°)11:34:39−0:055:12 am7:17 pm5:38 am6:51 pm6:04 am6:24 pm12:14 pm (57.3°)91.507
156:27 am ↑ (113°)6:02 pm ↑ (247°)11:34:34−0:045:12 am7:17 pm5:38 am6:51 pm6:05 am6:25 pm12:15 pm (57.2°)91.498
166:28 am ↑ (114°)6:02 pm ↑ (246°)11:34:30−0:045:13 am7:18 pm5:39 am6:51 pm6:05 am6:25 pm12:15 pm (57.2°)91.490
176:28 am ↑ (114°)6:03 pm ↑ (246°)11:34:27−0:035:13 am7:18 pm5:39 am6:52 pm6:06 am6:26 pm12:16 pm (57.1°)91.481
186:29 am ↑ (114°)6:03 pm ↑ (246°)11:34:24−0:025:14 am7:19 pm5:40 am6:52 pm6:06 am6:26 pm12:16 pm (57.1°)91.474
196:29 am ↑ (114°)6:04 pm ↑ (246°)11:34:22−0:025:14 am7:19 pm5:40 am6:53 pm6:07 am6:27 pm12:17 pm (57.1°)91.466
206:30 am ↑ (114°)6:04 pm ↑ (246°)11:34:20−0:015:15 am7:20 pm5:41 am6:53 pm6:07 am6:27 pm12:17 pm (57.1°)91.459
216:30 am ↑ (114°)6:05 pm ↑ (246°)11:34:20< 1s5:15 am7:20 pm5:41 am6:54 pm6:08 am6:28 pm12:18 pm (57.1°)91.453
226:31 am ↑ (114°)6:05 pm ↑ (246°)11:34:20< 1s5:16 am7:21 pm5:42 am6:54 pm6:08 am6:28 pm12:18 pm (57.1°)91.446
236:31 am ↑ (114°)6:06 pm ↑ (246°)11:34:21< 1s5:16 am7:21 pm5:42 am6:55 pm6:09 am6:29 pm12:19 pm (57.1°)91.440
246:32 am ↑ (114°)6:06 pm ↑ (246°)11:34:22+0:015:17 am7:22 pm5:43 am6:55 pm6:09 am6:29 pm12:19 pm (57.1°)91.435
256:32 am ↑ (114°)6:07 pm ↑ (246°)11:34:24+0:025:17 am7:22 pm5:43 am6:56 pm6:10 am6:30 pm12:20 pm (57.1°)91.429
266:33 am ↑ (114°)6:07 pm ↑ (246°)11:34:27+0:025:18 am7:23 pm5:44 am6:56 pm6:10 am6:30 pm12:20 pm (57.1°)91.425
276:33 am ↑ (114°)6:08 pm ↑ (247°)11:34:31+0:035:18 am7:23 pm5:44 am6:57 pm6:11 am6:31 pm12:21 pm (57.2°)91.420
286:34 am ↑ (113°)6:08 pm ↑ (247°)11:34:35+0:045:18 am7:24 pm5:45 am6:57 pm6:11 am6:31 pm12:21 pm (57.2°)91.416
296:34 am ↑ (113°)6:09 pm ↑ (247°)11:34:40+0:055:19 am7:24 pm5:45 am6:58 pm6:11 am6:32 pm12:22 pm (57.3°)91.413
306:35 am ↑ (113°)6:09 pm ↑ (247°)11:34:46+0:055:19 am7:25 pm5:46 am6:58 pm6:12 am6:32 pm12:22 pm (57.4°)91.410
316:35 am ↑ (113°)6:10 pm ↑ (247°)11:34:52+0:065:20 am7:25 pm5:46 am6:59 pm6:12 am6:33 pm12:22 pm (57.4°)91.407
* All times are local time for Ko Samui Island. They take into account refraction. Dates are based on the Gregorian calendar.

The December solstice (winter solstice) in Ko Samui Island is at 10:03 pm on Sunday, December 21, 2025. In terms of daylight, this day is 1 hour, 6 minutes shorter than the June solstice. In most locations north of the equator, the shortest day of the year is around this date.

Why is the earliest sunset not on the winter solstice?

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Sun and Moon times today for Ko Samui Island
Moonrise and moonset times for Ko Samui Island in December
Phases of the Moon for Ko Samui Island

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Directions based on true north

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