Time Difference

Seoul vs Yokohama Time Difference

Compare the current local time in Seoul, South Korea and Yokohama, Japan.

Live local timeDST awareUTC offsets

From

Seoul

South Korea

8:41 AM

Mon, Aug 17

UTC+9Asia/Seoul

Difference

Same time

Swap

Yokohama

Japan

8:41 AM

Mon, Aug 17

UTC+9Asia/Tokyo

Current difference

Seoul and Yokohama currently have the same local time.

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

24-hour comparison

Compare Seoul and Yokohama hour by hour

See how a full local day in Seoul, South Korea 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 – 6:00 PM in Seoul

corresponds to 9:00 AM – 6:00 PM in Yokohama.

9 hours overlap

Seoul

Asia/Seoul

Yokohama

Asia/Tokyo

Availability

12:00 AM

Mon, Aug 17

12:00 AM

Mon, Aug 17

Night

1:00 AM

Mon, Aug 17

1:00 AM

Mon, Aug 17

Night

2:00 AM

Mon, Aug 17

2:00 AM

Mon, Aug 17

Night

3:00 AM

Mon, Aug 17

3:00 AM

Mon, Aug 17

Night

4:00 AM

Mon, Aug 17

4:00 AM

Mon, Aug 17

Night

5:00 AM

Mon, Aug 17

5:00 AM

Mon, Aug 17

Night

6:00 AM

Mon, Aug 17

6:00 AM

Mon, Aug 17

Night

7:00 AM

Mon, Aug 17

7:00 AM

Mon, Aug 17

Possible

8:00 AM

Mon, Aug 17

8:00 AM

Mon, Aug 17

Possible

9:00 AM

Mon, Aug 17

9:00 AM

Mon, Aug 17

Good overlap

10:00 AM

Mon, Aug 17

10:00 AM

Mon, Aug 17

Good overlap

11:00 AM

Mon, Aug 17

11:00 AM

Mon, Aug 17

Good overlap

12:00 PM

Mon, Aug 17

12:00 PM

Mon, Aug 17

Good overlap

1:00 PM

Mon, Aug 17

1:00 PM

Mon, Aug 17

Good overlap

2:00 PM

Mon, Aug 17

2:00 PM

Mon, Aug 17

Good overlap

3:00 PM

Mon, Aug 17

3:00 PM

Mon, Aug 17

Good overlap

4:00 PM

Mon, Aug 17

4:00 PM

Mon, Aug 17

Good overlap

5:00 PM

Mon, Aug 17

5:00 PM

Mon, Aug 17

Good overlap

6:00 PM

Mon, Aug 17

6:00 PM

Mon, Aug 17

Possible

7:00 PM

Mon, Aug 17

7:00 PM

Mon, Aug 17

Possible

8:00 PM

Mon, Aug 17

8:00 PM

Mon, Aug 17

Possible

9:00 PM

Mon, Aug 17

9:00 PM

Mon, Aug 17

Night

10:00 PM

Mon, Aug 17

10:00 PM

Mon, Aug 17

Night

11:00 PM

Mon, Aug 17

11:00 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 Yokohama from Seoul

Compare typical business hours in Seoul, South Korea and Yokohama, Japan to find a practical time for calls, meetings or international coordination.

Seoul

9:41 AM – 6:41 PM

South Korea

Best overlap

Yokohama

9:41 AM – 6:41 PM

Japan

The best time to call Yokohama from Seoul is between 9:41 AM and 6:41 PM in Seoul. This corresponds to 9:41 AM – 6:41 PM in Yokohama.

Other reasonable windows

Seoul

8:41 AM – 9:41 AM

Yokohama

8:41 AM – 9:41 AM

Seoul

6:41 PM – 9:41 PM

Yokohama

6:41 PM – 9:41 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

Seoul and Yokohama time difference explained

Current local-time relationship

Seoul and Yokohama currently share the same local time.

Seoul uses Asia/Seoul and currently has an offset of UTC+9. 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 6:00 PM in Seoul, corresponding to 9:00 AM–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 Seoul and Yokohama.

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Local clocks

Explore each city

Current time in Seoul Current time in Yokohama

FAQ

Seoul to Yokohama time difference FAQ

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

What is the time difference between Seoul and Yokohama?

Seoul, South Korea and Yokohama, Japan currently have the same local time.

Is Yokohama ahead of or behind Seoul?

Seoul and Yokohama currently have the same local time.

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

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

What is the best time to call Yokohama from Seoul?

Typical 9:00 AM–6:00 PM business hours overlap between 9:00 AM and 6:00 PM in Seoul. This corresponds to 9:00 AM–6:00 PM in Yokohama.

Can the time difference between Seoul and Yokohama change?

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