China · 20.05°N, 110.34°E
Daylight hours in Haikou
Haikou gets 13h 21m of daylight on its longest day, around June 21, and 10h 55m on its shortest, around December 21: a swing of 2h 26m across the year. Its summer is in June.
Today in Haikou
Sunrise–
Sunset–
Daylight–
vs yesterday–
Sunrise and sunset through the year
Local time, including daylight saving time where Haikou observes it, which is why the lines can jump by an hour. The shaded band is daylight. 2026 dates.
Key days
Longest day13h 21mJune 21 · 06:01–19:21
Shortest day10h 55mDecember 21 · 07:10–18:05
March equinox12h 06mMarch 20 · 06:44–18:50
Fastest change+1.2 min/dayaround March 20
Daylight by month
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January 1 | 07:14 | 18:11 | 10h 56m |
| February 1 | 07:15 | 18:31 | 11h 15m |
| March 1 | 07:00 | 18:44 | 11h 44m |
| April 1 | 06:33 | 18:53 | 12h 20m |
| May 1 | 06:10 | 19:03 | 12h 52m |
| June 1 | 06:00 | 19:15 | 13h 16m |
| July 1 | 06:03 | 19:23 | 13h 20m |
| August 1 | 06:15 | 19:17 | 13h 02m |
| September 1 | 06:24 | 18:56 | 12h 32m |
| October 1 | 06:30 | 18:28 | 11h 58m |
| November 1 | 06:41 | 18:05 | 11h 25m |
| December 1 | 06:58 | 17:59 | 11h 01m |
Cities with similar daylight
These cities sit within 3° of Haikou’s latitude in the same hemisphere, so their days grow and shrink almost in step:
Its mirror images are across the equator at a similar distance from it. Their longest days come when Haikou’s are shortest:
- Belo Horizonte 19.92°S · compare
- Antananarivo 18.91°S · compare
- Bulawayo 20.15°S · compare
More: all cities between 20°–30° North · compare Haikou with any city