Sun Times in Koh Tao
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Frequently Asked Questions
What time is sunrise in Koh Tao?
Sunrise in Koh Tao on Sunday, August 23, 2026 is at 6:11 AM (Asia/Bangkok). This time is calculated from the city's coordinates.
What time is sunset in Koh Tao?
Sunset in Koh Tao on Sunday, August 23, 2026 is at 6:34 PM (Asia/Bangkok). This time is calculated from the city's coordinates.
When is golden hour in Koh Tao?
Morning golden hour in Koh Tao ends at 6:39 AM. Evening golden hour starts at 6:06 PM.
How long is the day in Koh Tao?
On Sunday, August 23, 2026 in Koh Tao there are 12 hours and 23 minutes of daylight between sunrise and sunset.
What time is the sun at its highest point in Koh Tao?
The sun reaches its highest point (solar noon) in Koh Tao at 12:23 PM (Asia/Bangkok). This is when the sun crosses the meridian and shadows are at their shortest.
What time does it get dark in Koh Tao?
In Koh Tao, sunset is at 6:34 PM and it gets fully dark (astronomical dusk) at 7:46 PM (Asia/Bangkok). Civil twilight ends at 6:56 PM when outdoor activities need artificial light.
How long does twilight last in Koh Tao?
Twilight in Koh Tao lasts approximately 72 minutes from sunset to full darkness (astronomical dusk). This includes civil twilight, nautical twilight, and astronomical twilight.
What is the earliest sunrise of the year in Koh Tao?
The earliest sunrise in Koh Tao in 2026 is at 5:58 AM on May 19 (Asia/Bangkok). This occurs around the summer solstice when days are longest.
What is the latest sunset of the year in Koh Tao?
The latest sunset in Koh Tao in 2026 is at 6:46 PM on July 4 (Asia/Bangkok). This occurs shortly after the summer solstice.
What time does it actually get dark after sunset in Koh Tao?
After sunset at 6:34 PM in Koh Tao, civil twilight ends at 6:56 PM — about 21 minutes later — when the sky becomes too dark for outdoor activities without artificial light. Full darkness (astronomical dusk) arrives at 7:46 PM (Asia/Bangkok).
What these times mean
Solar times in Koh Tao shift throughout the year. Each stage of the day brings distinct light that photographers, outdoor planners, and everyday users rely on.
- Dawn
- The first usable twilight before sunrise, when the horizon brightens and color gradually returns to the sky.
- Sunrise
- The moment the upper edge of the sun appears above the horizon, starting direct daylight.
- Golden Hour
- The low-angle window just after sunrise and just before sunset, producing warm, soft light favored by photographers.
- Sunset
- The moment the upper edge of the sun drops below the horizon, ending direct sunlight for the day.
- Dusk
- The fading twilight after sunset, ending with astronomical dusk when the sky becomes fully dark.
Monthly daylight in Koh Tao
Sunrise, sunset, and total daylight in Koh Tao on the 15th of each month for 2026. Times reflect the city's local timezone.
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 6:42 AM | 6:17 PM | 11h 36m |
| February | 6:40 AM | 6:29 PM | 11h 49m |
| March | 6:27 AM | 6:31 PM | 12h 04m |
| April | 6:10 AM | 6:31 PM | 12h 21m |
| May | 5:59 AM | 6:34 PM | 12h 35m |
| June | 5:59 AM | 6:42 PM | 12h 43m |
| July | 6:06 AM | 6:46 PM | 12h 40m |
| August | 6:11 AM | 6:38 PM | 12h 27m |
| September | 6:10 AM | 6:21 PM | 12h 11m |
| October | 6:09 AM | 6:03 PM | 11h 55m |
| November | 6:15 AM | 5:55 PM | 11h 40m |
| December | 6:29 AM | 6:01 PM | 11h 32m |
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