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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+8:00UTC-10:00
Live timezone converter

UTC Offset Reference

TimezoneAbbreviationStandard offsetDST offsetCountry
Singapore TimeSGTUTC+8:00Singapore
Hawaii TimeHSTUTC-10:00United States

Standard Time Conversion (SGTHST)

Singapore TimeHawaii Time
12:00 AM SGT6:00 AM (prev day) HST
6:00 AM SGT12:00 PM (prev day) HST
9:00 AM SGT3:00 PM (prev day) HST
12:00 PM SGT6:00 PM (prev day) HST
3:00 PM SGT9:00 PM (prev day) HST
6:00 PM SGT12:00 AM HST
9:00 PM SGT3:00 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.

Need the exact current time?

Use the live ToolsHub timezone converter to see current times, DST status, and schedule across time zones.

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