Sunrise and Sunset times in Haikou, China 
Haikou
☁️ Low chance of a spectacular sunset.
Hainan, China
2 046 190 people
Current temperature 33 ° C 
Sunny
Today:
 Sunrise: 06:24:34
|
 Sunset: 18:48:14
|
Day Length: 12h 23m 40s
Time zone: Asia/Chongqing, UTC 8 h.
Latitude: 20.05, Longitude: 110.32
| Date | Sunrise | Solar Noon | Sunset | Day length |
|---|---|---|---|---|
| 2025-Sep-01, Monday | 06:23:03 | 12:38:44 | 18:54:26 | 12h 31m 23s |
| 2025-Sep-02, Tuesday | 06:23:16 | 12:38:25 | 18:53:34 | 12h 30m 18s |
| 2025-Sep-03, Wednesday | 06:23:30 | 12:38:05 | 18:52:41 | 12h 29m 11s |
| 2025-Sep-04, Thursday | 06:23:43 | 12:37:46 | 18:51:49 | 12h 28m 6s |
| 2025-Sep-05, Friday | 06:23:56 | 12:37:26 | 18:50:55 | 12h 26m 59s |
| 2025-Sep-06, Saturday | 06:24:09 | 12:37:05 | 18:50:02 | 12h 25m 53s |
| 2025-Sep-07, Sunday | 06:24:22 | 12:36:45 | 18:49:08 | 12h 24m 46s |
| 2025-Sep-08, Monday | 06:24:34 | 12:36:24 | 18:48:14 | 12h 23m 40s |
| 2025-Sep-09, Tuesday | 06:24:47 | 12:36:04 | 18:47:20 | 12h 22m 33s |
| 2025-Sep-10, Wednesday | 06:25:00 | 12:35:43 | 18:46:25 | 12h 21m 25s |
| 2025-Sep-11, Thursday | 06:25:12 | 12:35:22 | 18:45:31 | 12h 20m 19s |
| 2025-Sep-12, Friday | 06:25:25 | 12:35:00 | 18:44:36 | 12h 19m 11s |
| 2025-Sep-13, Saturday | 06:25:37 | 12:34:39 | 18:43:41 | 12h 18m 4s |
| 2025-Sep-14, Sunday | 06:25:50 | 12:34:18 | 18:42:46 | 12h 16m 56s |
| 2025-Sep-15, Monday | 06:26:02 | 12:33:56 | 18:41:51 | 12h 15m 49s |
| 2025-Sep-16, Tuesday | 06:26:15 | 12:33:35 | 18:40:55 | 12h 14m 40s |
| 2025-Sep-17, Wednesday | 06:26:27 | 12:33:13 | 18:40:00 | 12h 13m 33s |
| 2025-Sep-18, Thursday | 06:26:40 | 12:32:52 | 18:39:04 | 12h 12m 24s |
| 2025-Sep-19, Friday | 06:26:52 | 12:32:31 | 18:38:09 | 12h 11m 17s |
| 2025-Sep-20, Saturday | 06:27:05 | 12:32:09 | 18:37:14 | 12h 10m 9s |
| 2025-Sep-21, Sunday | 06:27:18 | 12:31:48 | 18:36:18 | 12h 9m 0s |
| 2025-Sep-22, Monday | 06:27:30 | 12:31:27 | 18:35:23 | 12h 7m 53s |
| 2025-Sep-23, Tuesday | 06:27:43 | 12:31:06 | 18:34:28 | 12h 6m 45s |
| 2025-Sep-24, Wednesday | 06:27:56 | 12:30:45 | 18:33:33 | 12h 5m 37s |
| 2025-Sep-25, Thursday | 06:28:10 | 12:30:24 | 18:32:38 | 12h 4m 28s |
| 2025-Sep-26, Friday | 06:28:23 | 12:30:03 | 18:31:43 | 12h 3m 20s |
| 2025-Sep-27, Saturday | 06:28:37 | 12:29:43 | 18:30:49 | 12h 2m 12s |
| 2025-Sep-28, Sunday | 06:28:50 | 12:29:22 | 18:29:54 | 12h 1m 4s |
| 2025-Sep-29, Monday | 06:29:04 | 12:29:02 | 18:29:00 | 11h 59m 56s |
| 2025-Sep-30, Tuesday | 06:29:19 | 12:28:43 | 18:28:06 | 11h 58m 47s |
Day length in Haikou during the year on the chart:
Haikou on China map:
Locations in the same time zone Asia/Chongqing
Guangzhou (Guangdong), Shenzhen (Guangdong), Chongqing (Chongqing), Dongguan (Guangdong), Chengdu (Sichuan), Xi'an (Shaanxi), Hechi (Guangxi), Guiyang (Guizhou), Kunming (Yunnan), Taiyuan (Shanxi), Changsha (Hunan), Xiangtan (Hunan), Lanzhou (Gansu), Gaoping (Sichuan), Nanning (Guangxi), Baotou (Inner Mongolia), Nanyang (Henan), Hohhot (Inner Mongolia), Luoyang (Henan), Jingling (Hubei), Sanzhou (Chongqing), Zhanjiang (Guangdong), Xiantao (Hubei), Luzhou (Sichuan), Liuzhou (Guangxi), Changde (Hunan), Neijiang (Sichuan), Suining (Sichuan), Mianyang (Sichuan), Yiyang (Hunan)
Largest Populated Areas in China
Shanghai (Shanghai), Beijing (Beijing), Guangzhou (Guangdong), Shenzhen (Guangdong), Wuhan (Hubei), Tianjin (Tianjin), Chongqing (Chongqing), Shenyang (Liaoning), Dongguan (Guangdong), Chengdu (Sichuan), Xi'an (Shaanxi), Hechi (Guangxi), Nanjing (Jiangsu), Guiyang (Guizhou), Harbin (Heilongjiang), Zhangzhou (Fujian), Changchun (Jilin), Dalian (Liaoning), Zibo (Shandong), Hangzhou (Zhejiang), Kunming (Yunnan), Taiyuan (Shanxi), Qingdao (Shandong), Jinan (Shandong), Zhengzhou (Henan), Fuzhou (Fujian), Changsha (Hunan), Xiangtan (Hunan), Lanzhou (Gansu), Xiamen (Fujian)
Daylight Hours FAQ: 10 Most Googled Questions Answered
Daylight hours refer to the period between sunrise and sunset. This duration changes throughout the year based on season and geographic location.
Earth's 23.5° axial tilt causes uneven sunlight distribution. Your hemisphere receives less direct sunlight in winter (shorter days) and more in summer (longer days).
Northern Hemisphere: June 20-22 (summer solstice).
Southern Hemisphere: December 21-23.
Near polar circles, the sun doesn't set for 24 hours.
Northern Hemisphere: December 21-22 (winter solstice).
Southern Hemisphere: June 20-21.
The closer to poles, the more extreme variations:
- Equator: ~12-hour days year-round
- Polar regions: Midnight sun/polar nights occur
Miami's lower latitude means:
- Winter days are longer than NY's
- Summer days are slightly shorter
During equinoxes:
- Spring: March 20-21
- Fall: September 22-23
Most rapid change near equinoxes: 2-4 minutes daily.
Slowest change near solstices: <1 minute daily.
Reliable tools:
- Timeanddate.com
- SunCalc.org
- Photographer's Ephemeris app
Yes. Reduced winter sunlight may cause:
- Seasonal Affective Disorder (SAD)
- Vitamin D deficiency
Solution: Light therapy lamps & midday walks