Haikou runs on UTC+8 (CST) every day of the year, with no daylight saving time.
Haikou and your time
Haikou at a glance
| Country | China |
|---|---|
| Region | Hainan |
| Time zone | Asia/Shanghai |
| Abbreviation now | CST |
| UTC offset now | UTC+8 |
| Daylight saving time | Not observed since 1991 |
| Coordinates | 20.03° N, 110.35° E |
Haikou time zone and clock changes
Haikou follows the Asia/Shanghai time zone and stays on UTC+8 all year. Clocks here last changed for daylight saving time in 1991; the tz database lists no change after that.
Although China has 2 different offsets, Haikou keeps the same time as Beijing.
Clock changes in Haikou, 2026 and 2027
No clock changes are scheduled in Haikou for 2026 or 2027.
How far ahead or behind Haikou is
A 9:00 AM start in Haikou is 8:00 PM (previous day) in New York, 12:00 PM in Sydney and 5:00 PM (previous day) in Los Angeles.
| City | Time now | Difference now | In January | In July | Shared office hours |
|---|---|---|---|---|---|
| New York (United States) | --:-- | 13 h behind | 13 h behind | 12 h behind | None |
| Los Angeles (United States) | --:-- | 16 h behind | 16 h behind | 15 h behind | None |
| London (United Kingdom) | --:-- | 8 h behind | 8 h behind | 7 h behind | None |
| Paris (France) | --:-- | 7 h behind | 7 h behind | 6 h behind | 1 h |
| Dubai (United Arab Emirates) | --:-- | 4 h behind | 4 h behind | 4 h behind | 4 h |
| Mumbai (India) | --:-- | 2 h 30 min behind | 2 h 30 min behind | 2 h 30 min behind | 5 h 30 min |
| Singapore | --:-- | Same time | Same time | Same time | 8 h |
| Tokyo (Japan) | --:-- | 1 h ahead | 1 h ahead | 1 h ahead | 7 h |
| Sydney (Australia) | --:-- | 3 h ahead | 3 h ahead | 2 h ahead | 5 h |
| UTC | --:-- | 8 h behind | 8 h behind | 8 h behind | None |
Haikou never changes its clocks, but many of these cities do. Where the January and July columns disagree, the gap shifts when the other city moves to or from daylight saving time.
Shared office hours counts the time when the clock reads between 9 AM and 5 PM in both cities on the same day.
Sunrise, sunset and day length in Haikou
Today
| Sunrise | --:-- |
|---|---|
| Sunset | --:-- |
| Day length | -- |
| Solar noon | --:-- |
Being in the tropics, Haikou sees little change in day length: the longest day (13 hours 21 minutes) is only 2 hours 26 minutes longer than the shortest (10 hours 55 minutes). Sunrise stays between 5:58 AM and 7:17 AM all year.
Daylight through the year in Haikou
| Date | Sunrise | Sunset | Day length | |
|---|---|---|---|---|
| March equinox | March 20 | 6:43 AM | 6:50 PM | 12 h 6 min |
| June solstice | June 21 | 6:00 AM | 7:21 PM | 13 h 21 min |
| September equinox | September 23 | 6:28 AM | 6:34 PM | 12 h 7 min |
| December solstice | December 22 | 7:09 AM | 6:05 PM | 10 h 55 min |
When the sun is highest in Haikou
Clock time and sun time line up fairly well in Haikou: solar noon falls at about 12:40 PM on standard time.
Cities near Haikou
Every city below shares Haikou’s clock.
| City | Distance | Time now | Difference |
|---|---|---|---|
| Wenchang | 72 km (45 mi) | --:-- | Same time |
| Qionghai | 89 km (55 mi) | --:-- | Same time |
| Danzhou | 99 km (61 mi) | --:-- | Same time |
| Zhanjiang | 133 km (83 mi) | --:-- | Same time |
| Wanning | 137 km (85 mi) | --:-- | Same time |
| Wuchuan | 164 km (102 mi) | --:-- | Same time |
| Wuzhishan City | 165 km (103 mi) | --:-- | Same time |
| Lianjiang | 179 km (111 mi) | --:-- | Same time |
More cities in China
All time zones and cities in China
Tools for time in Haikou
- Convert a time to or from Haikou: pick a date and time and see it in every city on your list.
- Add Haikou to your world clock to keep it next to your own time.
- Find a meeting time that falls inside office hours in Haikou and the other cities you work with.
- Open a full-screen clock for your own time zone.
Frequently asked questions
What time zone is Haikou in?
Haikou uses the Asia/Shanghai time zone, which is UTC+8 (CST) all year.
Does Haikou use daylight saving time?
Not any more. Haikou last changed its clocks for daylight saving time in 1991 and now stays on UTC+8 all year.
What is the time difference between Haikou and New York?
Haikou is 13 hours ahead of New York in January and 12 hours ahead of New York in July, because New York moves its clocks for daylight saving time and Haikou does not.
Is Haikou on the same time as Beijing?
Yes. Haikou and Beijing both use UTC+8 right now.
How long is the longest day in Haikou?
About 13 hours 21 minutes, around the June solstice. The shortest day, around the December solstice, has about 10 hours 55 minutes of daylight.
Time zone rules: IANA tz database, version 2026e. Place names and coordinates: GeoNames. Sunrise and sunset are calculated from the coordinates and can differ by a minute or two from local almanacs.