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