Time in HDT and JST
The time difference between Hawaii–Aleutian Daylight Time (HDT) and Japan Standard Time (JST) is 18 hours. Japan Standard Time is 18 hours ahead of Hawaii–Aleutian Daylight Time.
This means 9am HDT is 3am JST (next day) and 5pm HDT is 11am JST (next day).
Hawaii–Aleutian Daylight Time
- The current local time in HDT is 5:28 pm (September 2, 2026)
- HDT time zone offset is UTC-09:00
Japan Standard Time
- The current local time in JST is 5:28 pm (September 2, 2026)
- JST time zone offset is UTC+09:00
How to convert Hawaii–Aleutian Daylight Time to Japan Standard Time?
Add 18 hours to Hawaii–Aleutian Daylight Time to get Japan Standard Time.
Time in HDT
00:00
Time in JST
00:00
Use the slider above to convert Hawaii–Aleutian Daylight Time to Japan 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
| HDT | JST |
|---|---|
| 12am | 6pm |
| 1am | 7pm |
| 2am | 8pm |
| 3am | 9pm |
| 4am | 10pm |
| 5am | 11pm |
| 6am | 12am |
| 7am | 1am |
| 8am | 2am |
| 9am | 3am |
| 10am | 4am |
| 11am | 5am |
| 12pm | 6am |
| 1pm | 7am |
| 2pm | 8am |
| 3pm | 9am |
| 4pm | 10am |
| 5pm | 11am |
| 6pm | 12pm |
| 7pm | 1pm |
| 8pm | 2pm |
| 9pm | 3pm |
| 10pm | 4pm |
| 11pm | 5pm |