Time difference between Hawaii and South Korea: 19 hours
Hawaii
UTC-10
--:--:--
South Korea
UTC+9
--:--:--
Hawaii is 19 hours behind South Korea
Best time for a call or meeting
Hawaii 14:00–18:00 = South Korea 09:00–13:00
Both cities are within business hours (9:00–18:00).
Convert a specific time
→ South Korea
Hour-by-hour conversion
| Hawaii | South Korea |
|---|---|
| 00:00 | 19:00 |
| 01:00 | 20:00 |
| 02:00 | 21:00 |
| 03:00 | 22:00 |
| 04:00 | 23:00 |
| 05:00 | 00:00 |
| 06:00 | 01:00 |
| 07:00 | 02:00 |
| 08:00 | 03:00 |
| 09:00 | 04:00 |
| 10:00 | 05:00 |
| 11:00 | 06:00 |
| 12:00 | 07:00 |
| 13:00 | 08:00 |
| 14:00 | 09:00 |
| 15:00 | 10:00 |
| 16:00 | 11:00 |
| 17:00 | 12:00 |
| 18:00 | 13:00 |
| 19:00 | 14:00 |
| 20:00 | 15:00 |
| 21:00 | 16:00 |
| 22:00 | 17:00 |
| 23:00 | 18:00 |
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 South Korea?
Hawaii is 19 hours behind South Korea. When it is 12:00 noon in Hawaii, it is 07:00 (next day) in South Korea.
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 14:00–18:00 = South Korea 09:00–13:00. Both cities are within business hours (9:00–18:00).
Other countries & regions
Hawaii - JapanHawaii - ChinaHawaii - TaiwanHawaii - Hong KongHawaii - SingaporeHawaii - ThailandHawaii - VietnamHawaii - 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