HST to SGT Converter
Hawaii Time
5:26:53 AM HST
Sunday, June 28, 2026
18h
18h
Singapore Time
11:26:53 PM SGT
Sunday, June 28, 2026
Singapore Time (SGT) is 18 hours ahead of Hawaii Time (HST).
Quick Reference
- Hawaii Time
- HST (GMT-10)
No Daylight Saving Time
- Singapore Time
- SGT (GMT+8)
No Daylight Saving Time
Cities in HST
Cities in SGT
Frequently Asked Questions
- What is the difference between HST and SGT?
- SGT is 18 hours ahead of HST.
- How do I convert HST to SGT?
- To convert from HST to SGT, add 18 hours. Use the interactive converter on this page to convert specific times.
- What cities are in HST and SGT?
- Cities in HST include Honolulu, Hilo, Kahului, Kaneohe, Kapolei. Cities in SGT include Singapore.