Time Difference

Surabaya vs Yokohama Time Difference

Compare the current local time in Surabaya, Indonesia and Yokohama, Japan.

Live local timeDST awareUTC offsets

From

Surabaya

Indonesia

5:44 AM

Mon, Aug 17

UTC+7Asia/Jakarta

Difference

2 hours

Swap

Yokohama

Japan

7:44 AM

Mon, Aug 17

UTC+9Asia/Tokyo

Current difference

Yokohama is currently 1 hour 60 minutes ahead of Surabaya.

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

24-hour comparison

Compare Surabaya and Yokohama hour by hour

See how a full local day in Surabaya, Indonesia 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 – 4:00 PM in Surabaya

corresponds to 11:00 AM – 6:00 PM in Yokohama.

7 hours overlap

Surabaya

Asia/Jakarta

Yokohama

Asia/Tokyo

Availability

12:00 AM

Mon, Aug 17

2:00 AM

Mon, Aug 17

Night

1:00 AM

Mon, Aug 17

3:00 AM

Mon, Aug 17

Night

2:00 AM

Mon, Aug 17

4:00 AM

Mon, Aug 17

Night

3:00 AM

Mon, Aug 17

5:00 AM

Mon, Aug 17

Night

4:00 AM

Mon, Aug 17

6:00 AM

Mon, Aug 17

Night

5:00 AM

Mon, Aug 17

7:00 AM

Mon, Aug 17

Night

6:00 AM

Mon, Aug 17

8:00 AM

Mon, Aug 17

Night

7:00 AM

Mon, Aug 17

9:00 AM

Mon, Aug 17

Possible

8:00 AM

Mon, Aug 17

10:00 AM

Mon, Aug 17

Possible

9:00 AM

Mon, Aug 17

11:00 AM

Mon, Aug 17

Good overlap

10:00 AM

Mon, Aug 17

12:00 PM

Mon, Aug 17

Good overlap

11:00 AM

Mon, Aug 17

1:00 PM

Mon, Aug 17

Good overlap

12:00 PM

Mon, Aug 17

2:00 PM

Mon, Aug 17

Good overlap

1:00 PM

Mon, Aug 17

3:00 PM

Mon, Aug 17

Good overlap

2:00 PM

Mon, Aug 17

4:00 PM

Mon, Aug 17

Good overlap

3:00 PM

Mon, Aug 17

5:00 PM

Mon, Aug 17

Good overlap

4:00 PM

Mon, Aug 17

6:00 PM

Mon, Aug 17

Possible

5:00 PM

Mon, Aug 17

7:00 PM

Mon, Aug 17

Possible

6:00 PM

Mon, Aug 17

8:00 PM

Mon, Aug 17

Possible

7:00 PM

Mon, Aug 17

9:00 PM

Mon, Aug 17

Night

8:00 PM

Mon, Aug 17

10:00 PM

Mon, Aug 17

Night

9:00 PM

Mon, Aug 17

11:00 PM

Mon, Aug 17

Night

10:00 PM

Mon, Aug 17

12:00 AM

Next day

Tue, Aug 18

Night

11:00 PM

Mon, Aug 17

1:00 AM

Next day

Tue, Aug 18

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 Surabaya

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

Surabaya

9:44 AM – 4:44 PM

Indonesia

Best overlap

Yokohama

11:44 AM – 6:44 PM

Japan

The best time to call Yokohama from Surabaya is between 9:44 AM and 4:44 PM in Surabaya. This corresponds to 11:44 AM – 6:44 PM in Yokohama.

Other reasonable windows

Surabaya

7:44 AM – 9:44 AM

Yokohama

9:44 AM – 11:44 AM

Surabaya

4:44 PM – 7:44 PM

Yokohama

6:44 PM – 9:44 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

Surabaya and Yokohama time difference explained

Current local-time relationship

Yokohama is currently 2 hours ahead of Surabaya.

Surabaya uses Asia/Jakarta and currently has an offset of UTC+7. 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 4:00 PM in Surabaya, corresponding to 11:00 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 Surabaya and Yokohama.

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Local clocks

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Current time in Surabaya Current time in Yokohama

FAQ

Surabaya to Yokohama time difference FAQ

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

What is the time difference between Surabaya and Yokohama?

The current time difference between Surabaya and Yokohama is 2 hours. Yokohama is currently 2 hours ahead of Surabaya.

Is Yokohama ahead of or behind Surabaya?

Yokohama is currently 2 hours ahead of Surabaya.

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

Using the current UTC offsets, 9:00 AM in Surabaya corresponds to 11:00 AM in Yokohama. The exact difference can change when daylight-saving rules change.

What is the best time to call Yokohama from Surabaya?

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

Can the time difference between Surabaya and Yokohama change?

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