Time Difference

Hanoi vs Tokyo Time Difference

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

Live local timeDST awareUTC offsets

From

Hanoi

Vietnam

6:36 AM

Mon, Aug 17

UTC+7Asia/Bangkok

Difference

2 hours

Swap

Tokyo

Japan

8:36 AM

Mon, Aug 17

UTC+9Asia/Tokyo

Current difference

Tokyo is currently 2 hours ahead of Hanoi.

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

24-hour comparison

Compare Hanoi and Tokyo hour by hour

See how a full local day in Hanoi, Vietnam maps to Tokyo, 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 Hanoi

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

7 hours overlap

Hanoi

Asia/Bangkok

Tokyo

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 Tokyo from Hanoi

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

Hanoi

9:36 AM – 4:36 PM

Vietnam

Best overlap

Tokyo

11:36 AM – 6:36 PM

Japan

The best time to call Tokyo from Hanoi is between 9:36 AM and 4:36 PM in Hanoi. This corresponds to 11:36 AM – 6:36 PM in Tokyo.

Other reasonable windows

Hanoi

7:36 AM – 9:36 AM

Tokyo

9:36 AM – 11:36 AM

Hanoi

4:36 PM – 7:36 PM

Tokyo

6:36 PM – 9:36 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

Hanoi and Tokyo time difference explained

Current local-time relationship

Tokyo is currently 2 hours ahead of Hanoi.

Hanoi uses Asia/Bangkok and currently has an offset of UTC+7. Tokyo 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 Hanoi, corresponding to 11:00 AM–6:00 PM in Tokyo.

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 Hanoi and Tokyo.

Open time converter

Local clocks

Explore each city

Current time in Hanoi Current time in Tokyo

FAQ

Hanoi to Tokyo time difference FAQ

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

What is the time difference between Hanoi and Tokyo?

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

Is Tokyo ahead of or behind Hanoi?

Tokyo is currently 2 hours ahead of Hanoi.

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

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

What is the best time to call Tokyo from Hanoi?

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

Can the time difference between Hanoi and Tokyo change?

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