Convert Hawaii Standard Time (HST) to Japan Standard Time (JST) instantly. Free, fast and accurate time zone converter with real-time updates.
| HST Time | JST Time |
|---|---|
| 12:00 AM HST | 7:00 PM JST |
| 12:30 AM HST | 7:30 PM JST |
| 1:00 AM HST | 8:00 PM JST |
| 1:30 AM HST | 8:30 PM JST |
| 2:00 AM HST | 9:00 PM JST |
| 2:30 AM HST | 9:30 PM JST |
| 3:00 AM HST | 10:00 PM JST |
| 3:30 AM HST | 10:30 PM JST |
| 4:00 AM HST | 11:00 PM JST |
| 4:30 AM HST | 11:30 PM JST |
| 5:00 AM HST | 12:00 AM JST |
| 5:30 AM HST | 12:30 AM JST |
| 6:00 AM HST | 1:00 AM JST |
| 6:30 AM HST | 1:30 AM JST |
| 7:00 AM HST | 2:00 AM JST |
| 7:30 AM HST | 2:30 AM JST |
| 8:00 AM HST | 3:00 AM JST |
| 8:30 AM HST | 3:30 AM JST |
| 9:00 AM HST | 4:00 AM JST |
| 9:30 AM HST | 4:30 AM JST |
| 10:00 AM HST | 5:00 AM JST |
| 10:30 AM HST | 5:30 AM JST |
| 11:00 AM HST | 6:00 AM JST |
| 11:30 AM HST | 6:30 AM JST |
| 12:00 PM HST | 7:00 AM JST |
| 12:30 PM HST | 7:30 AM JST |
| 1:00 PM HST | 8:00 AM JST |
| 1:30 PM HST | 8:30 AM JST |
| 2:00 PM HST | 9:00 AM JST |
| 2:30 PM HST | 9:30 AM JST |
| 3:00 PM HST | 10:00 AM JST |
| 3:30 PM HST | 10:30 AM JST |
| 4:00 PM HST | 11:00 AM JST |
| 4:30 PM HST | 11:30 AM JST |
| 5:00 PM HST | 12:00 PM JST |
| 5:30 PM HST | 12:30 PM JST |
| 6:00 PM HST | 1:00 PM JST |
| 6:30 PM HST | 1:30 PM JST |
| 7:00 PM HST | 2:00 PM JST |
| 7:30 PM HST | 2:30 PM JST |
| 8:00 PM HST | 3:00 PM JST |
| 8:30 PM HST | 3:30 PM JST |
| 9:00 PM HST | 4:00 PM JST |
| 9:30 PM HST | 4:30 PM JST |
| 10:00 PM HST | 5:00 PM JST |
| 10:30 PM HST | 5:30 PM JST |
| 11:00 PM HST | 6:00 PM JST |
| 11:30 PM HST | 6:30 PM JST |
Japan Standard Time (JST) is 19 hours ahead of Hawaii Standard Time (HST). When converting from HST to JST, you need to add 19 hours to get the correct time.
When it's 12:00 PM (noon) in Hawaii Standard Time, it's 7:00 AM in Japan Standard Time. This is because JST is 19 hours ahead of HST.
When it's 12:00 AM (midnight) in Hawaii Standard Time, it's 7:00 PM in Japan Standard Time.
Hawaii Standard Time (HST) has a UTC offset of -10:00, while Japan Standard Time (JST) has a UTC offset of +9:00.
Simply add 19 hours to the HST time. For example, 3:00 PM HST becomes 10:00 AM JST.
The best time depends on both parties' schedules. A common overlap during business hours (9 AM - 5 PM) would be when it's early morning in HST. Use our converter to find the perfect time.
Daylight Saving Time (DST) observance varies by region. Some areas within Hawaii Standard Time and Japan Standard Time zones may observe DST, which can temporarily change the time difference by 1 hour.
Hawaii Standard Time (HST) is used by various countries and regions around the world. The UTC offset of -10:00 is shared by multiple time zones.
Japan Standard Time (JST) is used by various countries and regions around the world. With a UTC offset of +9:00, this time zone covers multiple geographic areas.
Yes! Remember that JST is always 19 hours ahead of HST. If it's noon in HST, it's 7:00 AM in JST. Bookmark this page for quick reference!
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