Time difference between Hong Kong and Hanoi

Hanoi is 1 hour behind Hong Kong.

Hong Kong · Hong Kong Standard Time

8:48 AM

Thursday, November 12, 2026

Vietnam · Indochina Time

7:48 AM

Thursday, November 12, 2026

Hong Kong 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 Hong Kong and Hanoi?

Hanoi is 1 hour behind Hong Kong. Hong Kong is on UTC+8 and Hanoi is on UTC+7.

What time is it in Hanoi when it is 9 AM in Hong Kong?

When it is 9:00 AM in Hong Kong, it is 8:00 AM in Hanoi.

When is the best time to call Hanoi from Hong Kong?

The best time to call or meet is 10:00 AM–6:00 PM in Hong Kong (9:00 AM–5:00 PM in Hanoi), when both places are in normal office hours.

Which days are working days in both Hong Kong and Hanoi?

Both Hong Kong and Hanoi usually work Monday to Friday.

Does the time difference between Hong Kong and Hanoi change?

No. Neither Hong Kong nor Hanoi changes its clocks in a way that affects the difference, so it stays the same all year.

Hong Kong is 1 hour ahead of Hanoi. More: time in Hong Kong · time in Hanoi