Time Difference

Nagoya vs Port Harcourt Time Difference

Compare the current local time in Nagoya, Japan and Port Harcourt, Nigeria.

Live local timeDST awareUTC offsets

From

Nagoya

Japan

7:46 AM

Mon, Aug 17

UTC+9Asia/Tokyo

Difference

8 hours

Swap

Port Harcourt

Nigeria

11:46 PM

Sun, Aug 16

UTC+1Africa/Lagos

Current difference

Port Harcourt is currently 8 hours behind Nagoya.

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

24-hour comparison

Compare Nagoya and Port Harcourt hour by hour

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

24-hour day

Best working-hours overlap

5:00 PM – 6:00 PM in Nagoya

corresponds to 9:00 AM – 10:00 AM in Port Harcourt.

1 hour overlap

Nagoya

Asia/Tokyo

Port Harcourt

Africa/Lagos

Availability

12:00 AM

Mon, Aug 17

4:00 PM

Previous day

Sun, Aug 16

Night

1:00 AM

Mon, Aug 17

5:00 PM

Previous day

Sun, Aug 16

Night

2:00 AM

Mon, Aug 17

6:00 PM

Previous day

Sun, Aug 16

Night

3:00 AM

Mon, Aug 17

7:00 PM

Previous day

Sun, Aug 16

Night

4:00 AM

Mon, Aug 17

8:00 PM

Previous day

Sun, Aug 16

Night

5:00 AM

Mon, Aug 17

9:00 PM

Previous day

Sun, Aug 16

Night

6:00 AM

Mon, Aug 17

10:00 PM

Previous day

Sun, Aug 16

Night

7:00 AM

Mon, Aug 17

11:00 PM

Previous day

Sun, Aug 16

Night

8:00 AM

Mon, Aug 17

12:00 AM

Mon, Aug 17

Night

9:00 AM

Mon, Aug 17

1:00 AM

Mon, Aug 17

Night

10:00 AM

Mon, Aug 17

2:00 AM

Mon, Aug 17

Night

11:00 AM

Mon, Aug 17

3:00 AM

Mon, Aug 17

Night

12:00 PM

Mon, Aug 17

4:00 AM

Mon, Aug 17

Night

1:00 PM

Mon, Aug 17

5:00 AM

Mon, Aug 17

Night

2:00 PM

Mon, Aug 17

6:00 AM

Mon, Aug 17

Night

3:00 PM

Mon, Aug 17

7:00 AM

Mon, Aug 17

Possible

4:00 PM

Mon, Aug 17

8:00 AM

Mon, Aug 17

Possible

5:00 PM

Mon, Aug 17

9:00 AM

Mon, Aug 17

Good overlap

6:00 PM

Mon, Aug 17

10:00 AM

Mon, Aug 17

Possible

7:00 PM

Mon, Aug 17

11:00 AM

Mon, Aug 17

Possible

8:00 PM

Mon, Aug 17

12:00 PM

Mon, Aug 17

Possible

9:00 PM

Mon, Aug 17

1:00 PM

Mon, Aug 17

Night

10:00 PM

Mon, Aug 17

2:00 PM

Mon, Aug 17

Night

11:00 PM

Mon, Aug 17

3:00 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 Nagoya

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

Nagoya

5:46 PM – 6:46 PM

Japan

Best overlap

Port Harcourt

9:46 AM – 10:46 AM

Nigeria

The best time to call Port Harcourt from Nagoya is between 5:46 PM and 6:46 PM in Nagoya. This corresponds to 9:46 AM – 10:46 AM in Port Harcourt.

Other reasonable windows

Nagoya

3:46 PM – 5:46 PM

Port Harcourt

7:46 AM – 9:46 AM

Nagoya

6:46 PM – 9:46 PM

Port Harcourt

10:46 AM – 1:46 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

Nagoya and Port Harcourt time difference explained

Current local-time relationship

Port Harcourt is currently 8 hours behind Nagoya.

Nagoya uses Asia/Tokyo and currently has an offset of UTC+9. 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 5:00 PM to 6:00 PM in Nagoya, corresponding to 9:00 AM–10:00 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 Nagoya and Port Harcourt.

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Local clocks

Explore each city

Current time in Nagoya Current time in Port Harcourt

FAQ

Nagoya to Port Harcourt time difference FAQ

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

What is the time difference between Nagoya and Port Harcourt?

The current time difference between Nagoya and Port Harcourt is 8 hours. Port Harcourt is currently 8 hours behind Nagoya.

Is Port Harcourt ahead of or behind Nagoya?

Port Harcourt is currently 8 hours behind Nagoya.

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

Using the current UTC offsets, 9:00 AM in Nagoya corresponds to 1:00 AM in Port Harcourt. The exact difference can change when daylight-saving rules change.

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

Typical 9:00 AM–6:00 PM business hours overlap between 5:00 PM and 6:00 PM in Nagoya. This corresponds to 9:00 AM–10:00 AM in Port Harcourt.

Can the time difference between Nagoya and Port Harcourt change?

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