July 21, 2026 · Phra Nakhon Si Ayutthaya, Thailand
Sunrise in Phra Nakhon Si Ayutthaya today is at 05:59. Day length is 12h 51m. See below for sunset, solar noon, dawn and dusk — all times calculated astronomically for Phra Nakhon Si Ayutthaya's coordinates and updated daily.
Phra Nakhon Si Ayutthaya lies at 14°N. Near the tropics, day length stays close to 12 hours year-round, with only minor variation between seasons.
Sunrise shifts earlier through spring and later through autumn — changing fastest near the equinoxes and barely at all near the summer and winter solstices. See the year chart to visualise how sunrise and sunset times shift month by month for Phra Nakhon Si Ayutthaya.
The longest day in Phra Nakhon Si Ayutthaya is around 12h 58m (around June 21). The shortest is around 11h 17m (around December 21).
| Month | Sunrise | Sunset | Day length |
|---|---|---|---|
| January | 06:47 | 18:08 | 11h 22m |
| February | 06:43 | 18:23 | 11h 40m |
| March | 06:27 | 18:29 | 12h 2m |
| April | 06:05 | 18:32 | 12h 27m |
| May | 05:51 | 18:39 | 12h 47m |
| June | 05:50 | 18:48 | 12h 58m |
| July | 05:57 | 18:51 | 12h 54m |
| August | 06:05 | 18:42 | 12h 37m |
| September | 06:07 | 18:21 | 12h 13m |
| October | 06:09 | 17:59 | 11h 50m |
| November | 06:19 | 17:47 | 11h 28m |
| December | 06:35 | 17:52 | 11h 17m |