Time Difference

Hanoi vs Chattogram Time Difference

Compare the current local time in Hanoi, Vietnam and Chattogram, Bangladesh.

Live local timeDST awareUTC offsets

From

Hanoi

Vietnam

6:28 AM

Mon, Aug 17

UTC+7Asia/Bangkok

Difference

1 hour

Swap

Chattogram

Bangladesh

5:28 AM

Mon, Aug 17

UTC+6Asia/Dhaka

Current difference

Chattogram is currently 1 hour behind 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 Chattogram hour by hour

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

24-hour day

Best working-hours overlap

10:00 AM – 6:00 PM in Hanoi

corresponds to 9:00 AM – 5:00 PM in Chattogram.

8 hours overlap

Hanoi

Asia/Bangkok

Chattogram

Asia/Dhaka

Availability

12:00 AM

Mon, Aug 17

11:00 PM

Previous day

Sun, Aug 16

Night

1:00 AM

Mon, Aug 17

12:00 AM

Mon, Aug 17

Night

2:00 AM

Mon, Aug 17

1:00 AM

Mon, Aug 17

Night

3:00 AM

Mon, Aug 17

2:00 AM

Mon, Aug 17

Night

4:00 AM

Mon, Aug 17

3:00 AM

Mon, Aug 17

Night

5:00 AM

Mon, Aug 17

4:00 AM

Mon, Aug 17

Night

6:00 AM

Mon, Aug 17

5:00 AM

Mon, Aug 17

Night

7:00 AM

Mon, Aug 17

6:00 AM

Mon, Aug 17

Night

8:00 AM

Mon, Aug 17

7:00 AM

Mon, Aug 17

Possible

9:00 AM

Mon, Aug 17

8:00 AM

Mon, Aug 17

Possible

10:00 AM

Mon, Aug 17

9:00 AM

Mon, Aug 17

Good overlap

11:00 AM

Mon, Aug 17

10:00 AM

Mon, Aug 17

Good overlap

12:00 PM

Mon, Aug 17

11:00 AM

Mon, Aug 17

Good overlap

1:00 PM

Mon, Aug 17

12:00 PM

Mon, Aug 17

Good overlap

2:00 PM

Mon, Aug 17

1:00 PM

Mon, Aug 17

Good overlap

3:00 PM

Mon, Aug 17

2:00 PM

Mon, Aug 17

Good overlap

4:00 PM

Mon, Aug 17

3:00 PM

Mon, Aug 17

Good overlap

5:00 PM

Mon, Aug 17

4:00 PM

Mon, Aug 17

Good overlap

6:00 PM

Mon, Aug 17

5:00 PM

Mon, Aug 17

Possible

7:00 PM

Mon, Aug 17

6:00 PM

Mon, Aug 17

Possible

8:00 PM

Mon, Aug 17

7:00 PM

Mon, Aug 17

Possible

9:00 PM

Mon, Aug 17

8:00 PM

Mon, Aug 17

Night

10:00 PM

Mon, Aug 17

9:00 PM

Mon, Aug 17

Night

11:00 PM

Mon, Aug 17

10:00 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 Chattogram from Hanoi

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

Hanoi

10:28 AM – 6:28 PM

Vietnam

Best overlap

Chattogram

9:28 AM – 5:28 PM

Bangladesh

The best time to call Chattogram from Hanoi is between 10:28 AM and 6:28 PM in Hanoi. This corresponds to 9:28 AM – 5:28 PM in Chattogram.

Other reasonable windows

Hanoi

8:28 AM – 10:28 AM

Chattogram

7:28 AM – 9:28 AM

Hanoi

6:28 PM – 9:28 PM

Chattogram

5:28 PM – 8:28 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 Chattogram time difference explained

Current local-time relationship

Chattogram is currently 1 hour behind Hanoi.

Hanoi uses Asia/Bangkok and currently has an offset of UTC+7. Chattogram uses Asia/Dhaka and currently has an offset of UTC+6.

Working-hours overlap

For a typical 9:00 AM–6:00 PM workday, the cities overlap from 10:00 AM to 6:00 PM in Hanoi, corresponding to 9:00 AM–5:00 PM in Chattogram.

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 Chattogram.

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Local clocks

Explore each city

Current time in Hanoi Current time in Chattogram

FAQ

Hanoi to Chattogram time difference FAQ

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

What is the time difference between Hanoi and Chattogram?

The current time difference between Hanoi and Chattogram is 1 hour. Chattogram is currently 1 hour behind Hanoi.

Is Chattogram ahead of or behind Hanoi?

Chattogram is currently 1 hour behind Hanoi.

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

Using the current UTC offsets, 9:00 AM in Hanoi corresponds to 8:00 AM in Chattogram. The exact difference can change when daylight-saving rules change.

What is the best time to call Chattogram from Hanoi?

Typical 9:00 AM–6:00 PM business hours overlap between 10:00 AM and 6:00 PM in Hanoi. This corresponds to 9:00 AM–5:00 PM in Chattogram.

Can the time difference between Hanoi and Chattogram change?

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