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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-10:00UTC+9:00
Live timezone converter

UTC Offset Reference

TimezoneAbbreviationStandard offsetDST offsetCountry
Hawaii TimeHSTUTC-10:00United States
Japan Standard TimeJSTUTC+9:00Japan

Standard Time Conversion (HSTJST)

Hawaii TimeJapan Standard Time
12:00 AM HST7:00 PM JST
6:00 AM HST1:00 AM (next day) JST
9:00 AM HST4:00 AM (next day) JST
12:00 PM HST7:00 AM (next day) JST
3:00 PM HST10:00 AM (next day) JST
6:00 PM HST1:00 PM (next day) JST
9:00 PM HST4:00 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.

Need the exact current time?

Use the live ToolsHub timezone converter to see current times, DST status, and schedule across time zones.

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