Time Difference

Port Harcourt vs Yokohama Time Difference

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

Live local timeDST awareUTC offsets

From

Port Harcourt

Nigeria

4:40 AM

Sun, Nov 1

UTC+1Africa/Lagos

Difference

8 hours

Swap

Yokohama

Japan

12:40 PM

Sun, Nov 1

UTC+9Asia/Tokyo

Current difference

Yokohama is currently 8 hours ahead of Port Harcourt.

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

24-hour comparison

Compare Port Harcourt and Yokohama hour by hour

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

24-hour day

Best working-hours overlap

9:00 AM – 10:00 AM in Port Harcourt

corresponds to 5:00 PM – 6:00 PM in Yokohama.

1 hour overlap

Port Harcourt

Africa/Lagos

Yokohama

Asia/Tokyo

Availability

12:00 AM

Sun, Nov 1

8:00 AM

Sun, Nov 1

Night

1:00 AM

Sun, Nov 1

9:00 AM

Sun, Nov 1

Night

2:00 AM

Sun, Nov 1

10:00 AM

Sun, Nov 1

Night

3:00 AM

Sun, Nov 1

11:00 AM

Sun, Nov 1

Night

4:00 AM

Sun, Nov 1

12:00 PM

Sun, Nov 1

Night

5:00 AM

Sun, Nov 1

1:00 PM

Sun, Nov 1

Night

6:00 AM

Sun, Nov 1

2:00 PM

Sun, Nov 1

Night

7:00 AM

Sun, Nov 1

3:00 PM

Sun, Nov 1

Possible

8:00 AM

Sun, Nov 1

4:00 PM

Sun, Nov 1

Possible

9:00 AM

Sun, Nov 1

5:00 PM

Sun, Nov 1

Good overlap

10:00 AM

Sun, Nov 1

6:00 PM

Sun, Nov 1

Possible

11:00 AM

Sun, Nov 1

7:00 PM

Sun, Nov 1

Possible

12:00 PM

Sun, Nov 1

8:00 PM

Sun, Nov 1

Possible

1:00 PM

Sun, Nov 1

9:00 PM

Sun, Nov 1

Night

2:00 PM

Sun, Nov 1

10:00 PM

Sun, Nov 1

Night

3:00 PM

Sun, Nov 1

11:00 PM

Sun, Nov 1

Night

4:00 PM

Sun, Nov 1

12:00 AM

Next day

Mon, Nov 2

Night

5:00 PM

Sun, Nov 1

1:00 AM

Next day

Mon, Nov 2

Night

6:00 PM

Sun, Nov 1

2:00 AM

Next day

Mon, Nov 2

Night

7:00 PM

Sun, Nov 1

3:00 AM

Next day

Mon, Nov 2

Night

8:00 PM

Sun, Nov 1

4:00 AM

Next day

Mon, Nov 2

Night

9:00 PM

Sun, Nov 1

5:00 AM

Next day

Mon, Nov 2

Night

10:00 PM

Sun, Nov 1

6:00 AM

Next day

Mon, Nov 2

Night

11:00 PM

Sun, Nov 1

7:00 AM

Next day

Mon, Nov 2

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 Yokohama from Port Harcourt

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

Port Harcourt

9:00 AM – 10:00 AM

Nigeria

Best overlap

Yokohama

5:00 PM – 6:00 PM

Japan

The best time to call Yokohama from Port Harcourt is between 9:00 AM and 10:00 AM in Port Harcourt. This corresponds to 5:00 PM – 6:00 PM in Yokohama.

Other reasonable windows

Port Harcourt

7:00 AM – 9:00 AM

Yokohama

3:00 PM – 5:00 PM

Port Harcourt

10:00 AM – 1:00 PM

Yokohama

6:00 PM – 9:00 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

Port Harcourt and Yokohama time difference explained

Current local-time relationship

Yokohama is currently 8 hours ahead of Port Harcourt.

Port Harcourt uses Africa/Lagos and currently has an offset of UTC+1. Yokohama uses Asia/Tokyo and currently has an offset of UTC+9.

Working-hours overlap

For a typical 9:00 AM–6:00 PM workday, the cities overlap from 9:00 AM to 10:00 AM in Port Harcourt, corresponding to 5:00 PM–6:00 PM in Yokohama.

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 Port Harcourt and Yokohama.

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Local clocks

Explore each city

Current time in Port Harcourt Current time in Yokohama

FAQ

Port Harcourt to Yokohama time difference FAQ

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

What is the time difference between Port Harcourt and Yokohama?

The current time difference between Port Harcourt and Yokohama is 8 hours. Yokohama is currently 8 hours ahead of Port Harcourt.

Is Yokohama ahead of or behind Port Harcourt?

Yokohama is currently 8 hours ahead of Port Harcourt.

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

Using the current UTC offsets, 9:00 AM in Port Harcourt corresponds to 5:00 PM in Yokohama. The exact difference can change when daylight-saving rules change.

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

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

Can the time difference between Port Harcourt and Yokohama change?

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