Hong Kong, Hong Kong Hanoi, Vietnam
Compare time between Hong Kong and Hanoi
Frequently Asked Questions
Hong Kong is in the HKT timezone (UTC+8) and Hanoi is in the +07 timezone (UTC+7). The time difference between them is 1 hour.
Use the timeline above to find overlapping business hours between Hong Kong and Hanoi. The "Best time to meet" card highlights the window where both cities are within working hours (9 AM – 6 PM local time).
Neither Hong Kong nor Hanoi observes Daylight Saving Time, so the time difference remains constant throughout the year.
Click the pencil icon next to the Hong Kong clock and type any time. The Hanoi clock will update instantly, showing the exact corresponding time. You can also pick a date to account for DST changes.