Time difference between Sydney and Hanoi

Hanoi is 4 hours behind Sydney.

Australia · Australian Eastern Daylight Time

6:43 PM

Wednesday, October 21, 2026

Vietnam · Indochina Time

2:43 PM

Wednesday, October 21, 2026

Sydney to Hanoi time converter

Green rows are office hours in both places; light green rows are when both are awake.

What is the time difference between Sydney and Hanoi?

Hanoi is 4 hours behind Sydney. Sydney is on UTC+11 and Hanoi is on UTC+7.

What time is it in Hanoi when it is 9 AM in Sydney?

When it is 9:00 AM in Sydney, it is 5:00 AM in Hanoi.

When is the best time to call Hanoi from Sydney?

The best time to call or meet is 1:00 PM–6:00 PM in Sydney (9:00 AM–2:00 PM in Hanoi), when both places are in normal office hours.

Does the time difference between Sydney and Hanoi change?

Yes. Because of daylight saving time, the difference changes on Sunday, April 4, 2027, when Hanoi will be 3 hours behind Sydney.

Sydney is 4 hours ahead of Hanoi. More: time in Sydney · time in Hanoi