July 21, 2026 · Surat Thani, Thailand
Sunset in Surat Thani today is at 18:47. Day length is 12h 35m. See below for sunrise, solar noon, dawn and dusk — all times calculated astronomically for Surat Thani's coordinates and updated daily.
Surat Thani lies at 9°N. Near the tropics, day length stays close to 12 hours year-round, with only minor variation between seasons.
Sunset shifts later through spring and earlier through autumn — changing fastest near the equinoxes and slowest near the summer and winter solstices. See the year chart to visualise how sunset times shift month by month for Surat Thani.
The longest day in Surat Thani is around 12h 39m (around June 21). The shortest is around 11h 35m (around December 21).
| Month | Sunset | Sunrise | Day length |
|---|---|---|---|
| January | 18:22 | 06:43 | 11h 39m |
| February | 18:33 | 06:43 | 11h 50m |
| March | 18:35 | 06:31 | 12h 4m |
| April | 18:33 | 06:14 | 12h 19m |
| May | 18:36 | 06:04 | 12h 32m |
| June | 18:43 | 06:04 | 12h 39m |
| July | 18:47 | 06:11 | 12h 36m |
| August | 18:41 | 06:15 | 12h 26m |
| September | 18:24 | 06:14 | 12h 11m |
| October | 18:07 | 06:11 | 11h 56m |
| November | 17:59 | 06:17 | 11h 43m |
| December | 18:06 | 06:31 | 11h 36m |