Time Difference

Haikou vs Port Harcourt Time Difference

Compare the current local time in Haikou, China and Port Harcourt, Nigeria.

Live local timeDST awareUTC offsets

From

Haikou

China

5:23 PM

Mon, Aug 17

UTC+8Asia/Shanghai

Difference

7 hours

Swap

Port Harcourt

Nigeria

10:23 AM

Mon, Aug 17

UTC+1Africa/Lagos

Current difference

Port Harcourt is currently 7 hours behind Haikou.

This difference is calculated using the current UTC offsets for both locations and automatically reflects daylight-saving changes.

24-hour comparison

Compare Haikou and Port Harcourt hour by hour

See how a full local day in Haikou, China maps to Port Harcourt, Nigeria. TimeInOne automatically accounts for timezone offsets, date changes and daylight-saving transitions.

24-hour day

Best working-hours overlap

4:00 PM – 6:00 PM in Haikou

corresponds to 9:00 AM – 11:00 AM in Port Harcourt.

2 hours overlap

Haikou

Asia/Shanghai

Port Harcourt

Africa/Lagos

Availability

12:00 AM

Mon, Aug 17

5:00 PM

Previous day

Sun, Aug 16

Night

1:00 AM

Mon, Aug 17

6:00 PM

Previous day

Sun, Aug 16

Night

2:00 AM

Mon, Aug 17

7:00 PM

Previous day

Sun, Aug 16

Night

3:00 AM

Mon, Aug 17

8:00 PM

Previous day

Sun, Aug 16

Night

4:00 AM

Mon, Aug 17

9:00 PM

Previous day

Sun, Aug 16

Night

5:00 AM

Mon, Aug 17

10:00 PM

Previous day

Sun, Aug 16

Night

6:00 AM

Mon, Aug 17

11:00 PM

Previous day

Sun, Aug 16

Night

7:00 AM

Mon, Aug 17

12:00 AM

Mon, Aug 17

Night

8:00 AM

Mon, Aug 17

1:00 AM

Mon, Aug 17

Night

9:00 AM

Mon, Aug 17

2:00 AM

Mon, Aug 17

Night

10:00 AM

Mon, Aug 17

3:00 AM

Mon, Aug 17

Night

11:00 AM

Mon, Aug 17

4:00 AM

Mon, Aug 17

Night

12:00 PM

Mon, Aug 17

5:00 AM

Mon, Aug 17

Night

1:00 PM

Mon, Aug 17

6:00 AM

Mon, Aug 17

Night

2:00 PM

Mon, Aug 17

7:00 AM

Mon, Aug 17

Possible

3:00 PM

Mon, Aug 17

8:00 AM

Mon, Aug 17

Possible

4:00 PM

Mon, Aug 17

9:00 AM

Mon, Aug 17

Good overlap

5:00 PM

Mon, Aug 17

10:00 AM

Mon, Aug 17

Good overlap

6:00 PM

Mon, Aug 17

11:00 AM

Mon, Aug 17

Possible

7:00 PM

Mon, Aug 17

12:00 PM

Mon, Aug 17

Possible

8:00 PM

Mon, Aug 17

1:00 PM

Mon, Aug 17

Possible

9:00 PM

Mon, Aug 17

2:00 PM

Mon, Aug 17

Night

10:00 PM

Mon, Aug 17

3:00 PM

Mon, Aug 17

Night

11:00 PM

Mon, Aug 17

4:00 PM

Mon, Aug 17

Night

Working-hour labels use a general 9:00 AM–6:00 PM schedule. Individual schedules may differ.

On daylight-saving transition dates, a local day can contain 23 or 25 real hours instead of 24.

Call planning

Best time to call Port Harcourt from Haikou

Compare typical business hours in Haikou, China and Port Harcourt, Nigeria to find a practical time for calls, meetings or international coordination.

Haikou

5:23 PM – 6:23 PM

China

Best overlap

Port Harcourt

10:23 AM – 11:23 AM

Nigeria

The best time to call Port Harcourt from Haikou is between 5:23 PM and 6:23 PM in Haikou. This corresponds to 10:23 AM – 11:23 AM in Port Harcourt.

Other reasonable windows

Haikou

6:23 PM – 9:23 PM

Port Harcourt

11:23 AM – 2:23 PM

Recommendations use typical 9:00 AM–6:00 PM business hours and a broader 7:00 AM–9:00 PM acceptable calling window. Individual schedules may differ.

Time difference explained

Haikou and Port Harcourt time difference explained

Current local-time relationship

Port Harcourt is currently 7 hours behind Haikou.

Haikou uses Asia/Shanghai and currently has an offset of UTC+8. Port Harcourt uses Africa/Lagos and currently has an offset of UTC+1.

Working-hours overlap

For a typical 9:00 AM–6:00 PM workday, the cities overlap from 4:00 PM to 6:00 PM in Haikou, corresponding to 9:00 AM–11:00 AM in Port Harcourt.

Because UTC offsets can change during the year, always check the selected date when planning an important international call or meeting.

Convert a specific time

Need more than the current difference?

Convert a specific date and local time between Haikou and Port Harcourt.

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Local clocks

Explore each city

Current time in Haikou Current time in Port Harcourt

FAQ

Haikou to Port Harcourt time difference FAQ

Common questions about the current time difference, UTC offsets, daylight-saving changes and practical calling hours between Haikou and Port Harcourt.

What is the time difference between Haikou and Port Harcourt?

The current time difference between Haikou and Port Harcourt is 7 hours. Port Harcourt is currently 7 hours behind Haikou.

Is Port Harcourt ahead of or behind Haikou?

Port Harcourt is currently 7 hours behind Haikou.

What time is it in Port Harcourt when it is 9:00 AM in Haikou?

Using the current UTC offsets, 9:00 AM in Haikou corresponds to 2:00 AM in Port Harcourt. The exact difference can change when daylight-saving rules change.

What is the best time to call Port Harcourt from Haikou?

Typical 9:00 AM–6:00 PM business hours overlap between 4:00 PM and 6:00 PM in Haikou. This corresponds to 9:00 AM–11:00 AM in Port Harcourt.

Can the time difference between Haikou and Port Harcourt change?

Yes. The time difference can change if Haikou or Port Harcourt changes its UTC offset because of daylight-saving or other local time-zone rules. TimeInOne uses the IANA zones Asia/Shanghai and Africa/Lagos for date-aware calculations.