Time Difference

Tokyo vs Hanoi Time Difference

Compare the current local time in Tokyo, Japan and Hanoi, Vietnam.

Live local timeDST awareUTC offsets

From

Tokyo

Japan

7:35 AM

Mon, Aug 17

UTC+9Asia/Tokyo

Difference

2 hours

Swap

Hanoi

Vietnam

5:35 AM

Mon, Aug 17

UTC+7Asia/Bangkok

Current difference

Hanoi is currently 1 hour 60 minutes behind Tokyo.

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

24-hour comparison

Compare Tokyo and Hanoi hour by hour

See how a full local day in Tokyo, Japan maps to Hanoi, Vietnam. TimeInOne automatically accounts for timezone offsets, date changes and daylight-saving transitions.

24-hour day

Best working-hours overlap

11:00 AM – 6:00 PM in Tokyo

corresponds to 9:00 AM – 4:00 PM in Hanoi.

7 hours overlap

Tokyo

Asia/Tokyo

Hanoi

Asia/Bangkok

Availability

12:00 AM

Mon, Aug 17

10:00 PM

Previous day

Sun, Aug 16

Night

1:00 AM

Mon, Aug 17

11:00 PM

Previous day

Sun, Aug 16

Night

2:00 AM

Mon, Aug 17

12:00 AM

Mon, Aug 17

Night

3:00 AM

Mon, Aug 17

1:00 AM

Mon, Aug 17

Night

4:00 AM

Mon, Aug 17

2:00 AM

Mon, Aug 17

Night

5:00 AM

Mon, Aug 17

3:00 AM

Mon, Aug 17

Night

6:00 AM

Mon, Aug 17

4:00 AM

Mon, Aug 17

Night

7:00 AM

Mon, Aug 17

5:00 AM

Mon, Aug 17

Night

8:00 AM

Mon, Aug 17

6:00 AM

Mon, Aug 17

Night

9:00 AM

Mon, Aug 17

7:00 AM

Mon, Aug 17

Possible

10:00 AM

Mon, Aug 17

8:00 AM

Mon, Aug 17

Possible

11:00 AM

Mon, Aug 17

9:00 AM

Mon, Aug 17

Good overlap

12:00 PM

Mon, Aug 17

10:00 AM

Mon, Aug 17

Good overlap

1:00 PM

Mon, Aug 17

11:00 AM

Mon, Aug 17

Good overlap

2:00 PM

Mon, Aug 17

12:00 PM

Mon, Aug 17

Good overlap

3:00 PM

Mon, Aug 17

1:00 PM

Mon, Aug 17

Good overlap

4:00 PM

Mon, Aug 17

2:00 PM

Mon, Aug 17

Good overlap

5:00 PM

Mon, Aug 17

3:00 PM

Mon, Aug 17

Good overlap

6:00 PM

Mon, Aug 17

4:00 PM

Mon, Aug 17

Possible

7:00 PM

Mon, Aug 17

5:00 PM

Mon, Aug 17

Possible

8:00 PM

Mon, Aug 17

6:00 PM

Mon, Aug 17

Possible

9:00 PM

Mon, Aug 17

7:00 PM

Mon, Aug 17

Night

10:00 PM

Mon, Aug 17

8:00 PM

Mon, Aug 17

Night

11:00 PM

Mon, Aug 17

9:00 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 Tokyo

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

Tokyo

11:35 AM – 6:35 PM

Japan

Best overlap

Hanoi

9:35 AM – 4:35 PM

Vietnam

The best time to call Hanoi from Tokyo is between 11:35 AM and 6:35 PM in Tokyo. This corresponds to 9:35 AM – 4:35 PM in Hanoi.

Other reasonable windows

Tokyo

9:35 AM – 11:35 AM

Hanoi

7:35 AM – 9:35 AM

Tokyo

6:35 PM – 9:35 PM

Hanoi

4:35 PM – 7:35 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

Tokyo and Hanoi time difference explained

Current local-time relationship

Hanoi is currently 2 hours behind Tokyo.

Tokyo uses Asia/Tokyo and currently has an offset of UTC+9. 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 11:00 AM to 6:00 PM in Tokyo, corresponding to 9:00 AM–4:00 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 Tokyo and Hanoi.

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Local clocks

Explore each city

Current time in Tokyo Current time in Hanoi

FAQ

Tokyo to Hanoi time difference FAQ

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

What is the time difference between Tokyo and Hanoi?

The current time difference between Tokyo and Hanoi is 2 hours. Hanoi is currently 2 hours behind Tokyo.

Is Hanoi ahead of or behind Tokyo?

Hanoi is currently 2 hours behind Tokyo.

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

Using the current UTC offsets, 9:00 AM in Tokyo corresponds to 7:00 AM in Hanoi. The exact difference can change when daylight-saving rules change.

What is the best time to call Hanoi from Tokyo?

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

Can the time difference between Tokyo and Hanoi change?

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