Hawaii Time to Japan Standard Time
Convert times between Hawaii Time (HST, UTC-10:00) and Japan Standard Time (JST, UTC+9:00). Japan Standard Time is 19 hours ahead of Hawaii Time in standard time.
UTC-10:00→UTC+9:00
Live timezone converterUTC Offset Reference
| Timezone | Abbreviation | Standard offset | DST offset | Country |
|---|---|---|---|---|
| Hawaii Time | HST | UTC-10:00 | — | United States |
| Japan Standard Time | JST | UTC+9:00 | — | Japan |
Standard Time Conversion (HST → JST)
| Hawaii Time | Japan Standard Time |
|---|---|
| 12:00 AM HST | 7:00 PM JST |
| 6:00 AM HST | 1:00 AM (next day) JST |
| 9:00 AM HST | 4:00 AM (next day) JST |
| 12:00 PM HST | 7:00 AM (next day) JST |
| 3:00 PM HST | 10:00 AM (next day) JST |
| 6:00 PM HST | 1:00 PM (next day) JST |
| 9:00 PM HST | 4:00 PM (next day) JST |
Frequently Asked Questions
How do I convert HST to JST?
Add 19 hours to the HST time to get JST. For example, 9:00 AM HST = 4:00 AM JST.
What is the current UTC offset for Hawaii Time?
Hawaii Time is always UTC-10:00 (HST) — it does not observe DST.
Is Japan Standard Time ahead or behind Hawaii Time?
Japan Standard Time is 19 hours ahead of Hawaii Time in standard time.
When is a good time to schedule a meeting between HST and JST?
A good overlap window is around 3:00 PM HST / 10:00 AM (next day) JST, which falls within business hours for both timezones.
Related Timezone Conversions
Hawaii Time → US Eastern TimeHST / ESTHawaii Time → US Central TimeHST / CSTHawaii Time → US Mountain TimeHST / MSTHawaii Time → US Pacific TimeHST / PSTHawaii Time → US Alaska TimeHST / AKSTHawaii Time → Canada Atlantic TimeHST / ASTHawaii Time → China Standard TimeHST / CSTHawaii Time → Hong Kong TimeHST / HKT
Need the exact current time?
Use the live ToolsHub timezone converter to see current times, DST status, and schedule across time zones.