Geographic position of Haikou

Haikou is located in the Northern Hemisphere and the Eastern Hemisphere. Its coordinates are 20.0342° N, 110.3465° E.

Haikou lies in the tropical latitude zone. This latitude affects daylight length, seasonal variation and how local solar time compares with standard clock time.

Antipode of Haikou

The point on Earth exactly opposite Haikou is near Antofagasta - when it's noon in Haikou, it's close to midnight there.

Golden Hour & Blue Hour in Haikou

Approximate times based on sunrise/sunset. Actual golden hour quality varies with weather and season.

Current Season in Haikou

Haikou is currently in Autumn. Autumn begins around September 22, which is 1 day from now.

Because Haikou is in the Northern Hemisphere, its seasons run opposite to cities in the other hemisphere. When it is autumn here, places on the other side of the equator are experiencing the opposite season at the same time.

Longest & Shortest Day in Haikou

In Haikou, the longest day of the year falls around June 21 and lasts about 13h 20m. The shortest day falls around December 21 and lasts about 10h 55m, a difference of roughly 2h 25m between the two.

This seasonal swing depends on Haikou's latitude: cities closer to the equator see little variation in daylight throughout the year, while cities farther from it, like Haikou at 20.03° N, experience a much wider gap between summer and winter daylight.

Population Ranking of Haikou

With a population of 2,873,358, Haikou ranks as the 45th most populous city in China, out of 2,061 cities tracked on this site.

Daylight saving time in Haikou

Haikou uses the IANA time zone identifier Asia/Shanghai. The current local offset is UTC+8 / CST.

Haikou does not observe daylight saving time in 2026. The UTC offset remains stable throughout the year.

Best Time to Call Haikou

Business hours in Haikou (9 AM-5 PM local time) fall at these local times elsewhere:

• New York: 9:00 PM (previous day) - 5:00 AM ( Partial overlap)
• Los Angeles: 6:00 PM (previous day) - 2:00 AM ( Partial overlap)
• London: 2:00 AM - 10:00 AM ( Outside normal hours)
• Dubai: 5:00 AM - 1:00 PM ( Outside normal hours)
• Mumbai: 6:30 AM - 2:30 PM ( Partial overlap)
• Tokyo: 10:00 AM - 6:00 PM ( Convenient)
• Sydney: 11:00 AM - 7:00 PM ( Convenient)

Times shown reflect current UTC offsets and may shift by up to an hour around daylight saving transitions.

Time now in other cities in China

Public Holidays Affecting Haikou

Official national holiday observed in China.

Frequently Asked Questions