Sunrise and sunset times in Ko Samui
Check out today's and tomorrow's sunrise and sunset times in Ko Samui, Surat Thani, Thailand, as well as the whole calendar for May 2026.
Today
May 17, 2026 . Current time: 1:18:11 pm
First light at 5:37:13 am
Sunrise time: 5:58:25 am
Sunset time: 6:34:54 pm
Last light at 6:56:06 pm
Day length: 12 hours, 36 minutes
5 hours, 16 minutes left for today's sunset in Ko Samui
Moon rose on May 17 at 05:02 AM
Moon will set on May 17 at 06:11 PMMoon phase: 🌑 New Moon (0%)Tomorrow
May 18, 2026
First light at 5:37:02 am
Sunrise time: 5:58:16 am
Sunset time: 6:35:06 pm
Last light at 6:56:20 pm
Day length: 12 hours, 36 minutes
Tomorrow will be approximately 0 minutes longer than today in Ko Samui
Moon will rise on May 18 at 06:05 AM Moon will set on May 18 at 07:20 PMMoon phase: 🌒 Waxing Crescent (5%)
- Ko Samui, Surat Thani
- Latitude: 9.535670
- Longitude: 99.935669
- Time zone: UTC+7 +07
Shortest day in Ko Samui, Surat Thani
The shortest day of the year will be in around 7 months, during the winter solstice on December 21, 2026, with a daylight length of 11 hours and 36 minutes.Longest day in Ko Samui, Surat Thani
The longest day of the year will be in 1 month and 2 days, during the summer solstice on June 20, 2026, with a daylight length of 12 hours and 43 minutes.
May 2026 - Ko Samui, Surat Thani - Sunrise and sunset calendar
Sunrise and sunset times, civil twilight start and end times as well as solar noon, and day length for every day of May in Ko Samui.
The day length increases by 10 minutes over the course of May 2026 in Ko Samui, Surat Thani - from 12 hours, 30 minutes on the first day to 12 hours, 40 minutes on the last day.
| Day | Twilight Start | Sunrise | Sunset | Twilight End | Day Length | Day Length Variation | Solar Noon
Time of day when the sun reaches its highest point in the sky.
|
Max Sun Altitude | Nautical Twilight Start | Nautical Twilight End | Astronomical Twilight Start | Astronomical Twilight End | Night Length
Calculated form this day's sunset to the next day's sunrise.
|
Moon phase |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fri, May 1 | 5:41:42 am | 6:02:23 am | 6:32:23 pm | 6:53:04 pm | 12h 30m 0s | 12h 30m 0s | 12:17:23 pm | 24.6° | 5:16:15 am | 7:18:32 pm | 4:50:34 am | 7:44:12 pm | 11h 29m 40s | 🌔 (99%) |
| Sat, May 2 | 5:41:20 am | 6:02:03 am | 6:32:30 pm | 6:53:12 pm | 12h 30m 27s | 0m 27s | 12:17:16 pm | 24.9° | 5:15:50 am | 7:18:43 pm | 4:50:07 am | 7:44:26 pm | 11h 29m 13s | 🌕 (100%) |
| Sun, May 3 | 5:40:59 am | 6:01:43 am | 6:32:37 pm | 6:53:21 pm | 12h 30m 54s | 0m 27s | 12:17:10 pm | 25.2° | 5:15:26 am | 7:18:54 pm | 4:49:39 am | 7:44:40 pm | 11h 28m 47s | 🌖 (99%) |
| Mon, May 4 | 5:40:38 am | 6:01:24 am | 6:32:44 pm | 6:53:30 pm | 12h 31m 20s | 0m 26s | 12:17:04 pm | 25.5° | 5:15:02 am | 7:19:06 pm | 4:49:13 am | 7:44:55 pm | 11h 28m 22s | 🌖 (96%) |
| Tue, May 5 | 5:40:17 am | 6:01:06 am | 6:32:51 pm | 6:53:40 pm | 12h 31m 45s | 0m 25s | 12:16:59 pm | 25.8° | 5:14:39 am | 7:19:18 pm | 4:48:47 am | 7:45:10 pm | 11h 27m 57s | 🌖 (92%) |
| Wed, May 6 | 5:39:58 am | 6:00:48 am | 6:32:59 pm | 6:53:50 pm | 12h 32m 11s | 0m 26s | 12:16:54 pm | 26.1° | 5:14:17 am | 7:19:31 pm | 4:48:22 am | 7:45:26 pm | 11h 27m 33s | 🌖 (86%) |
| Thu, May 7 | 5:39:39 am | 6:00:32 am | 6:33:08 pm | 6:54:01 pm | 12h 32m 36s | 0m 25s | 12:16:50 pm | 26.4° | 5:13:56 am | 7:19:44 pm | 4:47:57 am | 7:45:42 pm | 11h 27m 7s | 🌖 (79%) |
| Fri, May 8 | 5:39:21 am | 6:00:15 am | 6:33:17 pm | 6:54:11 pm | 12h 33m 2s | 0m 26s | 12:16:46 pm | 26.6° | 5:13:35 am | 7:19:57 pm | 4:47:34 am | 7:45:59 pm | 11h 26m 43s | 🌖 (71%) |
| Sat, May 9 | 5:39:04 am | 6:00:00 am | 6:33:26 pm | 6:54:23 pm | 12h 33m 26s | 0m 24s | 12:16:43 pm | 26.9° | 5:13:15 am | 7:20:11 pm | 4:47:11 am | 7:46:16 pm | 11h 26m 19s | 🌖 (62%) |
| Sun, May 10 | 5:38:47 am | 5:59:45 am | 6:33:36 pm | 6:54:34 pm | 12h 33m 51s | 0m 25s | 12:16:41 pm | 27.2° | 5:12:56 am | 7:20:26 pm | 4:46:48 am | 7:46:33 pm | 11h 25m 56s | 🌗 (52%) |
| Mon, May 11 | 5:38:31 am | 5:59:32 am | 6:33:46 pm | 6:54:46 pm | 12h 34m 14s | 0m 23s | 12:16:39 pm | 27.4° | 5:12:37 am | 7:20:40 pm | 4:46:27 am | 7:46:50 pm | 11h 25m 33s | 🌘 (42%) |
| Tue, May 12 | 5:38:16 am | 5:59:19 am | 6:33:56 pm | 6:54:59 pm | 12h 34m 37s | 0m 23s | 12:16:37 pm | 27.7° | 5:12:19 am | 7:20:55 pm | 4:46:06 am | 7:47:08 pm | 11h 25m 10s | 🌘 (32%) |
| Wed, May 13 | 5:38:02 am | 5:59:06 am | 6:34:07 pm | 6:55:11 pm | 12h 35m 1s | 0m 24s | 12:16:37 pm | 27.9° | 5:12:03 am | 7:21:11 pm | 4:45:46 am | 7:47:27 pm | 11h 24m 48s | 🌘 (22%) |
| Thu, May 14 | 5:37:48 am | 5:58:55 am | 6:34:18 pm | 6:55:25 pm | 12h 35m 23s | 0m 22s | 12:16:36 pm | 28.2° | 5:11:46 am | 7:21:26 pm | 4:45:27 am | 7:47:46 pm | 11h 24m 26s | 🌘 (13%) |
| Fri, May 15 | 5:37:36 am | 5:58:44 am | 6:34:30 pm | 6:55:38 pm | 12h 35m 46s | 0m 23s | 12:16:37 pm | 28.4° | 5:11:31 am | 7:21:42 pm | 4:45:09 am | 7:48:05 pm | 11h 24m 4s | 🌘 (7%) |
| Sat, May 16 | 5:37:24 am | 5:58:34 am | 6:34:41 pm | 6:55:52 pm | 12h 36m 7s | 0m 21s | 12:16:38 pm | 28.6° | 5:11:17 am | 7:21:59 pm | 4:44:52 am | 7:48:24 pm | 11h 23m 44s | 🌘 (2%) |
| Sun, May 17 | 5:37:13 am | 5:58:25 am | 6:34:54 pm | 6:56:06 pm | 12h 36m 29s | 0m 22s | 12:16:39 pm | 28.9° | 5:11:03 am | 7:22:15 pm | 4:44:35 am | 7:48:43 pm | 11h 23m 22s | 🌑 (0%) |
| Mon, May 18 | 5:37:02 am | 5:58:16 am | 6:35:06 pm | 6:56:20 pm | 12h 36m 50s | 0m 21s | 12:16:41 pm | 29.1° | 5:10:50 am | 7:22:32 pm | 4:44:19 am | 7:49:03 pm | 11h 23m 3s | 🌒 (1%) |
| Tue, May 19 | 5:36:53 am | 5:58:09 am | 6:35:19 pm | 6:56:35 pm | 12h 37m 10s | 0m 20s | 12:16:44 pm | 29.3° | 5:10:38 am | 7:22:50 pm | 4:44:05 am | 7:49:23 pm | 11h 22m 43s | 🌒 (5%) |
| Wed, May 20 | 5:36:44 am | 5:58:02 am | 6:35:32 pm | 6:56:50 pm | 12h 37m 30s | 0m 20s | 12:16:47 pm | 29.5° | 5:10:27 am | 7:23:07 pm | 4:43:51 am | 7:49:44 pm | 11h 22m 24s | 🌒 (12%) |
| Thu, May 21 | 5:36:36 am | 5:57:56 am | 6:35:46 pm | 6:57:05 pm | 12h 37m 50s | 0m 20s | 12:16:51 pm | 29.7° | 5:10:17 am | 7:23:25 pm | 4:43:38 am | 7:50:04 pm | 11h 22m 4s | 🌒 (21%) |
| Fri, May 22 | 5:36:29 am | 5:57:50 am | 6:36:00 pm | 6:57:21 pm | 12h 38m 10s | 0m 20s | 12:16:55 pm | 29.9° | 5:10:07 am | 7:23:43 pm | 4:43:25 am | 7:50:25 pm | 11h 21m 46s | 🌒 (31%) |
| Sat, May 23 | 5:36:23 am | 5:57:46 am | 6:36:14 pm | 6:57:37 pm | 12h 38m 28s | 0m 18s | 12:17:00 pm | 30.1° | 5:09:59 am | 7:24:01 pm | 4:43:14 am | 7:50:45 pm | 11h 21m 28s | 🌒 (42%) |
| Sun, May 24 | 5:36:17 am | 5:57:42 am | 6:36:28 pm | 6:57:53 pm | 12h 38m 46s | 0m 18s | 12:17:05 pm | 30.3° | 5:09:51 am | 7:24:19 pm | 4:43:04 am | 7:51:06 pm | 11h 21m 11s | 🌓 (53%) |
| Mon, May 25 | 5:36:13 am | 5:57:39 am | 6:36:43 pm | 6:58:09 pm | 12h 39m 4s | 0m 18s | 12:17:11 pm | 30.5° | 5:09:44 am | 7:24:38 pm | 4:42:54 am | 7:51:27 pm | 11h 20m 54s | 🌔 (63%) |
| Tue, May 26 | 5:36:09 am | 5:57:37 am | 6:36:57 pm | 6:58:26 pm | 12h 39m 20s | 0m 16s | 12:17:17 pm | 30.7° | 5:09:38 am | 7:24:56 pm | 4:42:46 am | 7:51:49 pm | 11h 20m 38s | 🌔 (73%) |
| Wed, May 27 | 5:36:06 am | 5:57:35 am | 6:37:12 pm | 6:58:42 pm | 12h 39m 37s | 0m 17s | 12:17:24 pm | 30.8° | 5:09:32 am | 7:25:15 pm | 4:42:38 am | 7:52:10 pm | 11h 20m 23s | 🌔 (81%) |
| Thu, May 28 | 5:36:03 am | 5:57:35 am | 6:37:27 pm | 6:58:59 pm | 12h 39m 52s | 0m 15s | 12:17:31 pm | 31° | 5:09:28 am | 7:25:34 pm | 4:42:31 am | 7:52:31 pm | 11h 20m 8s | 🌔 (88%) |
| Fri, May 29 | 5:36:02 am | 5:57:35 am | 6:37:43 pm | 6:59:16 pm | 12h 40m 8s | 0m 16s | 12:17:39 pm | 31.2° | 5:09:25 am | 7:25:53 pm | 4:42:25 am | 7:52:52 pm | 11h 19m 52s | 🌔 (94%) |
| Sat, May 30 | 5:36:01 am | 5:57:35 am | 6:37:58 pm | 6:59:33 pm | 12h 40m 23s | 0m 15s | 12:17:47 pm | 31.3° | 5:09:22 am | 7:26:12 pm | 4:42:20 am | 7:53:13 pm | 11h 19m 39s | 🌔 (98%) |
| Sun, May 31 | 5:36:01 am | 5:57:37 am | 6:38:14 pm | 6:59:50 pm | 12h 40m 37s | 0m 14s | 12:17:55 pm | 31.5° | 5:09:20 am | 7:26:31 pm | 4:42:16 am | 7:53:34 pm | 11h 19m 25s | 🌕 (100%) |
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Sunrise and Sunset photos in Ko Samui, Surat Thani
Enjoy this beautiful gallery of images of the sunset and sunrise at Ko Samui, Surat Thani. All images provided by our fantastic community of photographers!
Year distribution of sunrise and sunset times in Ko Samui, Surat Thani - 2026
The followin graph shows sunrise and sunset times in Ko Samui, Surat Thani for every day of the year.