Time difference between Hawaii and Vietnam: 17 hours
Hawaii
UTC-10
--:--:--
Vietnam
UTC+7
--:--:--
Hawaii is 17 hours behind Vietnam
Best time for a call or meeting
Hawaii 16:00–18:00 = Vietnam 09:00–11:00
Both cities are within business hours (9:00–18:00).
Convert a specific time
→ Vietnam
Hour-by-hour conversion
| Hawaii | Vietnam |
|---|---|
| 00:00 | 17:00 |
| 01:00 | 18:00 |
| 02:00 | 19:00 |
| 03:00 | 20:00 |
| 04:00 | 21:00 |
| 05:00 | 22:00 |
| 06:00 | 23:00 |
| 07:00 | 00:00 |
| 08:00 | 01:00 |
| 09:00 | 02:00 |
| 10:00 | 03:00 |
| 11:00 | 04:00 |
| 12:00 | 05:00 |
| 13:00 | 06:00 |
| 14:00 | 07:00 |
| 15:00 | 08:00 |
| 16:00 | 09:00 |
| 17:00 | 10:00 |
| 18:00 | 11:00 |
| 19:00 | 12:00 |
| 20:00 | 13:00 |
| 21:00 | 14:00 |
| 22:00 | 15:00 |
| 23:00 | 16:00 |
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 Hawaii and Vietnam?
Hawaii is 17 hours behind Vietnam. When it is 12:00 noon in Hawaii, it is 05:00 (next day) 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?
Hawaii 16:00–18:00 = Vietnam 09:00–11:00. Both cities are within business hours (9:00–18:00).
Other countries & regions
Hawaii - JapanHawaii - South KoreaHawaii - ChinaHawaii - TaiwanHawaii - Hong KongHawaii - SingaporeHawaii - ThailandHawaii - PhilippinesHawaii - CambodiaHawaii - MalaysiaHawaii - IndonesiaHawaii - BaliHawaii - IndiaHawaii - UAEHawaii - Saudi ArabiaHawaii - TurkeyHawaii - GuamHawaii - United KingdomHawaii - FranceHawaii - GermanyHawaii - ItalyHawaii - SpainHawaii - PortugalHawaii - NetherlandsHawaii - SwitzerlandHawaii - SwedenHawaii - PolandHawaii - GreeceHawaii - FinlandHawaii - RussiaHawaii - EgyptHawaii - South AfricaHawaii - United StatesHawaii - CanadaHawaii - MexicoHawaii - BrazilHawaii - ArgentinaHawaii - ChileHawaii - PeruHawaii - ColombiaHawaii - AustraliaHawaii - New Zealand