Time difference between Hanoi and Hong Kong

Hong Kong is 1 hour ahead of Hanoi.

Vietnam · Indochina Time

7:48 AM

Thursday, November 12, 2026

Hong Kong · Hong Kong Standard Time

8:48 AM

Thursday, November 12, 2026

Hanoi to Hong Kong time converter

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

What is the time difference between Hanoi and Hong Kong?

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

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

When it is 9:00 AM in Hanoi, it is 10:00 AM in Hong Kong.

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

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

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

Both Hanoi and Hong Kong usually work Monday to Friday.

Does the time difference between Hanoi and Hong Kong change?

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

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