Time difference between Hawaii and Japan: 19 hours
Hawaii
UTC-10
--:--:--
Japan
UTC+9
--:--:--
Hawaii is 19 hours behind Japan
Best time for a call or meeting
Hawaii 14:00–18:00 = Japan 09:00–13:00
Both cities are within business hours (9:00–18:00).
Convert a specific time
→ Japan
Hour-by-hour conversion
| Hawaii | Japan |
|---|---|
| 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 Japan?
Hawaii is 19 hours behind Japan. When it is 12:00 noon in Hawaii, it is 07:00 (next day) in Japan.
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 = Japan 09:00–13:00. Both cities are within business hours (9:00–18:00).
Other countries & regions
Hawaii - South KoreaHawaii - 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