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What time is sunrise and sunset in Ko Samui?

Today and tomorrow's sunrise and sunset times in Ko Samui, Surat Thani. Plus a monthly calendar with dawn, dusk, solar noon, and day length.

Today

Sunrise
6:10 AM
70° ENEDawn 5:48 AM

Sunrise in Ko Samui was at 6:10:51 AM GMT+7 (15 hours ago).

Sunset
6:45 PM
290° WNWDusk 7:07 PM

Sunset in Ko Samui was at 6:45:01 PM GMT+7 (3 hours ago).

Now
12a6a12p6p12a

Night now

Daylight
12h 34m
Darkness
8h 55m
Solar noon
12:27 PM
Sun altitude
39.8° below
Sun direction
305° NW

Tomorrow

Sunrise
6:11 AM
70° ENEDawn 5:48 AM

Sunrise in Ko Samui will be at 6:11:01 AM GMT+7 (in 9 hours).

Sunset
6:44 PM
289° WNWDusk 7:07 PM

Sunset in Ko Samui will be at 6:44:50 PM GMT+7 (in 21 hours).

Moon tonight

Phase, moonrise and moonset in Ko Samui

Waxing Gibbous
94% illuminated
Moonrise
5:01 PM
Moonset
3:57 AM

Calendar

Asia/Bangkok · click a day to expand

DateSunriseSunsetLength
1 Wed6:05 am6:45 pm12:40:18
2 Thu6:05 am6:45 pm12:40:11
3 Fri6:05 am6:45 pm12:40:04
4 Sat6:05 am6:45 pm12:39:56
5 Sun6:05 am6:45 pm12:39:47
6 Mon6:06 am6:45 pm12:39:38
7 Tue6:06 am6:45 pm12:39:28
8 Wed6:06 am6:45 pm12:39:18
9 Thu6:06 am6:46 pm12:39:06
10 Fri6:07 am6:46 pm12:38:55
11 Sat6:07 am6:46 pm12:38:42
12 Sun6:07 am6:46 pm12:38:29
13 Mon6:07 am6:46 pm12:38:16
14 Tue6:08 am6:46 pm12:38:02
15 Wed6:08 am6:46 pm12:37:47
16 Thu6:08 am6:46 pm12:37:32
17 Fri6:08 am6:46 pm12:37:16
18 Sat6:09 am6:46 pm12:37:00
19 Sun6:09 am6:45 pm12:36:43
20 Mon6:09 am6:45 pm12:36:25
21 Tue6:09 am6:45 pm12:36:08
22 Wed6:09 am6:45 pm12:35:49
23 Thu6:10 am6:45 pm12:35:30
24 Fri6:10 am6:45 pm12:35:11
25 Sat6:10 am6:45 pm12:34:51
26 Sun6:10 am6:45 pm12:34:31
27 Mon6:10 am6:45 pm12:34:10
Monday, July 27
12:34:10 of daylight·−21s vs. yesterday·twilight 5:48 am – 7:07 pm
12a3a6a9a12p3p6p9p12a6:10 am12:27 pm6:45 pmhorizon
Time
9:40 PM
Altitude
-39.8°
Heading
305° NW
Light
Night

9:40 PM, Night, altitude -39.8 degrees

28 Tue6:11 am6:44 pm12:33:49
29 Wed6:11 am6:44 pm12:33:28
30 Thu6:11 am6:44 pm12:33:06
31 Fri6:11 am6:44 pm12:32:43

FAQ

Frequently asked questions about sunrise and sunset in Ko Samui, Thailand

What time does the sun rise in Ko Samui today?
Sunrise in Ko Samui today (Monday, July 27, 2026) is at 6:10 AM. The sun comes up in the ENE.
What time does the sun set in Ko Samui today?
Sunset today is at 6:45 PM, after 12h 34m of daylight.
When is the longest day in Ko Samui, Thailand?
The longest day of 2026 in Ko Samui is Sunday, June 21, 2026, the summer solstice, with 12h 40m of daylight. In 2027 the summer solstice falls on June 21, 2027.
When is the shortest day in Ko Samui, Thailand?
The shortest day of 2026 in Ko Samui, Surat Thani is Tuesday, December 22, 2026, the winter solstice, with 11h 33m of daylight. In 2027 the winter solstice lands on December 22, 2027.
How much more daylight does Ko Samui get in summer than in winter?
Ko Samui gets 1h 06m more daylight on its longest day than on its shortest (12h 40m against 11h 33m). Averaged across the year, a day here has 12h 07m of daylight.
When is the earliest sunrise in Ko Samui?
The earliest sunrise of 2026 in Ko Samui is on Thursday, May 28, 2026, when the sun comes up at 6:00 AM.
When is the latest sunset in Ko Samui?
The latest sunset is on Monday, July 13, 2026 at 6:46 PM.
When is the earliest sunset in Ko Samui?
The earliest sunset of the year is on Sunday, November 15, 2026, with the sun down by 5:56 PM.
When is the latest sunrise in Ko Samui?
The latest sunrise is on Thursday, January 29, 2026 at 6:43 AM.
Does Ko Samui observe daylight saving time?
No. Ko Samui stays on Indochina Time (UTC+7) all year, so sunrise and sunset times shift only with the seasons.

Developers: get this data programmatically with the free JSON API.

GET https://api.sunrisesunset.io/json?lat=9.53567&lng=99.93567