Time in KST and HDT
The time difference between Korea Standard Time (KST) and Hawaii–Aleutian Daylight Time (HDT) is 18 hours. Hawaii–Aleutian Daylight Time is 18 hours behind Korea Standard Time.
This means 9am KST is 3pm HDT (previous day) and 5pm KST is 11pm HDT (previous day).
Korea Standard Time
- The current local time in KST is 12:48 pm (July 1, 2026)
- KST time zone offset is UTC+09:00
Hawaii–Aleutian Daylight Time
- The current local time in HDT is 12:48 pm (July 1, 2026)
- HDT time zone offset is UTC-09:00
How to convert Korea Standard Time to Hawaii–Aleutian Daylight Time?
Subtract 18 hours from Korea Standard Time to get Hawaii–Aleutian Daylight Time.
Time in KST
00:00
Time in HDT
00:00
Use the slider above to convert Korea Standard Time to Hawaii–Aleutian Daylight 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
| KST | HDT |
|---|---|
| 12am | 6am |
| 1am | 7am |
| 2am | 8am |
| 3am | 9am |
| 4am | 10am |
| 5am | 11am |
| 6am | 12pm |
| 7am | 1pm |
| 8am | 2pm |
| 9am | 3pm |
| 10am | 4pm |
| 11am | 5pm |
| 12pm | 6pm |
| 1pm | 7pm |
| 2pm | 8pm |
| 3pm | 9pm |
| 4pm | 10pm |
| 5pm | 11pm |
| 6pm | 12am |
| 7pm | 1am |
| 8pm | 2am |
| 9pm | 3am |
| 10pm | 4am |
| 11pm | 5am |