Time difference between Hong Kong and Vietnam: 1 hour
Hong Kong
UTC+8
--:--:--
Vietnam
UTC+7
--:--:--
Hong Kong is 1 hour ahead of Vietnam
Best time for a call or meeting
Hong Kong 10:00–18:00 = Vietnam 09:00–17:00
Both cities are within business hours (9:00–18:00).
Convert a specific time
→ Vietnam
Hour-by-hour conversion
| Hong Kong | Vietnam |
|---|---|
| 00:00 | 23:00 |
| 01:00 | 00:00 |
| 02:00 | 01:00 |
| 03:00 | 02:00 |
| 04:00 | 03:00 |
| 05:00 | 04:00 |
| 06:00 | 05:00 |
| 07:00 | 06:00 |
| 08:00 | 07:00 |
| 09:00 | 08:00 |
| 10:00 | 09:00 |
| 11:00 | 10:00 |
| 12:00 | 11:00 |
| 13:00 | 12:00 |
| 14:00 | 13:00 |
| 15:00 | 14:00 |
| 16:00 | 15:00 |
| 17:00 | 16:00 |
| 18:00 | 17:00 |
| 19:00 | 18:00 |
| 20:00 | 19:00 |
| 21:00 | 20:00 |
| 22:00 | 21:00 |
| 23:00 | 22:00 |
Business hours 9–18 Waking hours 7–22 Night / early morning
Daylight saving time can change the difference by season. Shown values reflect the current offset.
Frequently asked questions
How many hours is the time difference between Hong Kong and Vietnam?
Hong Kong is 1 hour ahead of Vietnam. When it is 12:00 noon in Hong Kong, it is 11:00 in Vietnam.
Does daylight saving time affect the difference?
No. Neither place observes daylight saving time, so the difference stays the same all year.
What is the best time for a call or meeting?
Hong Kong 10:00–18:00 = Vietnam 09:00–17:00. Both cities are within business hours (9:00–18:00).
Other countries & regions
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