Time in JST and HST
The time difference between Japan Standard Time (JST) and Hawaii–Aleutian Standard Time (HST) is 19 hours. Hawaii–Aleutian Standard Time is 19 hours behind Japan Standard Time.
This means 9am JST is 2pm HST (previous day) and 5pm JST is 10pm HST (previous day).
Japan Standard Time
- The current local time in JST is 4:08 am (July 9, 2026)
- JST time zone offset is UTC+09:00
Hawaii–Aleutian Standard Time
- The current local time in HST is 5:08 am (July 9, 2026)
- HST time zone offset is UTC-10:00
How to convert Japan Standard Time to Hawaii–Aleutian Standard Time?
Subtract 19 hours from Japan Standard Time to get Hawaii–Aleutian Standard Time.
Time in JST
00:00
Time in HST
00:00
Use the slider above to convert Japan Standard Time to Hawaii–Aleutian Standard Time and view the day and night map at different times.
Day–night colors on the map:
Day
Civil twilight
Nautical twilight
Astronomical twilight
NightTime Conversion Chart
| JST | HST |
|---|---|
| 12am | 5am |
| 1am | 6am |
| 2am | 7am |
| 3am | 8am |
| 4am | 9am |
| 5am | 10am |
| 6am | 11am |
| 7am | 12pm |
| 8am | 1pm |
| 9am | 2pm |
| 10am | 3pm |
| 11am | 4pm |
| 12pm | 5pm |
| 1pm | 6pm |
| 2pm | 7pm |
| 3pm | 8pm |
| 4pm | 9pm |
| 5pm | 10pm |
| 6pm | 11pm |
| 7pm | 12am |
| 8pm | 1am |
| 9pm | 2am |
| 10pm | 3am |
| 11pm | 4am |