Time Difference

Surabaya vs Hanoi Time Difference

Compare the current local time in Surabaya, Indonesia and Hanoi, Vietnam.

Live local timeDST awareUTC offsets

From

Surabaya

Indonesia

11:05 AM

Mon, Aug 17

UTC+7Asia/Jakarta

Difference

Same time

Swap

Hanoi

Vietnam

11:05 AM

Mon, Aug 17

UTC+7Asia/Bangkok

Current difference

Surabaya and Hanoi 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 Surabaya and Hanoi hour by hour

See how a full local day in Surabaya, Indonesia maps to Hanoi, Vietnam. 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 Surabaya

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

9 hours overlap

Surabaya

Asia/Jakarta

Hanoi

Asia/Bangkok

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 Hanoi from Surabaya

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

Surabaya

11:05 AM – 6:05 PM

Indonesia

Best overlap

Hanoi

11:05 AM – 6:05 PM

Vietnam

The best time to call Hanoi from Surabaya is between 11:05 AM and 6:05 PM in Surabaya. This corresponds to 11:05 AM – 6:05 PM in Hanoi.

Other reasonable windows

Surabaya

6:05 PM – 9:05 PM

Hanoi

6:05 PM – 9:05 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 Hanoi time difference explained

Current local-time relationship

Surabaya and Hanoi currently share the same local time.

Surabaya uses Asia/Jakarta and currently has an offset of UTC+7. Hanoi uses Asia/Bangkok and currently has an offset of UTC+7.

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 Surabaya, corresponding to 9:00 AM–6:00 PM in Hanoi.

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 Hanoi.

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Local clocks

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Current time in Surabaya Current time in Hanoi

FAQ

Surabaya to Hanoi time difference FAQ

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

What is the time difference between Surabaya and Hanoi?

Surabaya, Indonesia and Hanoi, Vietnam currently have the same local time.

Is Hanoi ahead of or behind Surabaya?

Surabaya and Hanoi currently have the same local time.

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

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

What is the best time to call Hanoi from Surabaya?

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

Can the time difference between Surabaya and Hanoi change?

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