Time in SST and HDT
The time difference between Singapore Standard Time (SST) and Hawaii–Aleutian Daylight Time (HDT) is 17 hours. Hawaii–Aleutian Daylight Time is 17 hours behind Singapore Standard Time.
This means 9am SST is 4pm HDT (previous day) and 5pm SST is 12am HDT.
Singapore Standard Time
- The current local time in SST is 3:09 pm (September 2, 2026)
- SST time zone offset is UTC+08:00
Hawaii–Aleutian Daylight Time
- The current local time in HDT is 4:09 pm (September 2, 2026)
- HDT time zone offset is UTC-09:00
How to convert Singapore Standard Time to Hawaii–Aleutian Daylight Time?
Subtract 17 hours from Singapore Standard Time to get Hawaii–Aleutian Daylight Time.
Time in SST
00:00
Time in HDT
00:00
Use the slider above to convert Singapore 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
| SST | HDT |
|---|---|
| 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 | 12am |
| 6pm | 1am |
| 7pm | 2am |
| 8pm | 3am |
| 9pm | 4am |
| 10pm | 5am |
| 11pm | 6am |