Longest and shortest day in Chiang Mai
In Chiang Mai, Thailand, the longest day of 2026 is around the June solstice on Sunday, 21 June 2026, with 13h 16m of daylight, and the shortest is around the December solstice on Monday, 21 December 2026, with 11h 0m.
| Turning point | Date | Sunrise | Sunset | Day length |
|---|---|---|---|---|
| March equinox | Friday, 20 March 2026 | 06:28 | 18:34 | 12h 6m |
| June solstice | Sunday, 21 June 2026 | 05:47 | 19:03 | 13h 16m |
| September equinox | Tuesday, 22 September 2026 | 06:12 | 18:20 | 12h 8m |
| December solstice | Monday, 21 December 2026 | 06:51 | 17:52 | 11h 0m |
| Month | Sunrise | Sunset | Day length |
|---|---|---|---|
| January | 06:59 | 18:06 | 11h 7m |
| February | 06:52 | 18:24 | 11h 32m |
| March | 06:32 | 18:33 | 12h 1m |
| April | 06:07 | 18:41 | 12h 34m |
| May | 05:50 | 18:50 | 13h 1m |
| June | 05:46 | 19:02 | 13h 15m |
| July | 05:55 | 19:04 | 13h 9m |
| August | 06:05 | 18:51 | 12h 46m |
| September | 06:11 | 18:26 | 12h 15m |
| October | 06:17 | 18:01 | 11h 44m |
| November | 06:30 | 17:46 | 11h 15m |
| December | 06:48 | 17:49 | 11h 1m |
Why the day gets longer and shorter in Chiang Mai
Earth's axis is tilted about 23.4 degrees, so as the planet orbits the Sun, Chiang Mai leans toward the Sun for part of the year and away for the rest. When it leans toward the Sun the days lengthen and the Sun climbs higher; half a year later the opposite happens. The size of the swing depends on how far Chiang Mai sits from the equator: the further away, the bigger the difference between the longest and shortest day.
Frequently asked questions about day length in Chiang Mai
When is the longest day in Chiang Mai?
The longest day in Chiang Mai falls around the June solstice, on Sunday, 21 June 2026 in 2026, with about 13h 16m of daylight, sunrise at 05:47 and sunset at 19:03.
When is the shortest day in Chiang Mai?
The shortest day in Chiang Mai falls around the December solstice, on Monday, 21 December 2026 in 2026, with about 11h 0m of daylight, sunrise at 06:51 and sunset at 17:52.
How much does day length change through the year in Chiang Mai?
Between the longest and shortest day, Chiang Mai gains and loses about 2h 16m of daylight. The change is fastest around the March and September equinoxes and slowest near the solstices.
Every figure is computed from Chiang Mai's coordinates with SunCalc, not looked up from a table.