Time in SGT and HST
The time difference between Singapore Time (SGT) and Hawaii–Aleutian Standard Time (HST) is 18 hours. Hawaii–Aleutian Standard Time is 18 hours behind Singapore Time.
This means 9am SGT is 3pm HST (previous day) and 5pm SGT is 11pm HST (previous day).
Singapore Time
- The current local time in SGT is 2:47 pm (September 2, 2026)
- SGT time zone offset is UTC+08:00
Hawaii–Aleutian Standard Time
- The current local time in HST is 4:47 pm (September 2, 2026)
- HST time zone offset is UTC-10:00
How to convert Singapore Time to Hawaii–Aleutian Standard Time?
Subtract 18 hours from Singapore Time to get Hawaii–Aleutian Standard Time.
Time in SGT
00:00
Time in HST
00:00
Use the slider above to convert Singapore 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
| SGT | HST |
|---|---|
| 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 |