Singapore Time to Hawaii Time
Convert times between Singapore Time (SGT, UTC+8:00) and Hawaii Time (HST, UTC-10:00). Hawaii Time is 18 hours behind Singapore Time in standard time.
UTC+8:00→UTC-10:00
Live timezone converterUTC Offset Reference
| Timezone | Abbreviation | Standard offset | DST offset | Country |
|---|---|---|---|---|
| Singapore Time | SGT | UTC+8:00 | — | Singapore |
| Hawaii Time | HST | UTC-10:00 | — | United States |
Standard Time Conversion (SGT → HST)
| Singapore Time | Hawaii Time |
|---|---|
| 12:00 AM SGT | 6:00 AM (prev day) HST |
| 6:00 AM SGT | 12:00 PM (prev day) HST |
| 9:00 AM SGT | 3:00 PM (prev day) HST |
| 12:00 PM SGT | 6:00 PM (prev day) HST |
| 3:00 PM SGT | 9:00 PM (prev day) HST |
| 6:00 PM SGT | 12:00 AM HST |
| 9:00 PM SGT | 3:00 AM HST |
Frequently Asked Questions
How do I convert SGT to HST?
Add (-18) hours to the SGT time to get HST. For example, 9:00 AM SGT = 3:00 PM HST.
What is the current UTC offset for Singapore Time?
Singapore Time is always UTC+8:00 (SGT) — it does not observe DST.
Is Hawaii Time ahead or behind Singapore Time?
Hawaii Time is 18 hours behind Singapore Time in standard time.
When is a good time to schedule a meeting between SGT and HST?
A good overlap window is around 9:00 AM SGT / 3:00 PM (prev day) HST, which falls within business hours for both timezones.
Related Timezone Conversions
Singapore Time → US Eastern TimeSGT / ESTSingapore Time → US Central TimeSGT / CSTSingapore Time → US Mountain TimeSGT / MSTSingapore Time → US Pacific TimeSGT / PSTSingapore Time → US Alaska TimeSGT / AKSTSingapore Time → Canada Atlantic TimeSGT / ASTSingapore Time → Indochina TimeSGT / ICTSingapore Time → Greenwich Mean TimeSGT / GMT
Need the exact current time?
Use the live ToolsHub timezone converter to see current times, DST status, and schedule across time zones.