AST to HST Converter
Atlantic Time
10:51:02 AM AST
Friday, November 13, 2026
6h
6h
Hawaii Time
4:51:02 AM HST
Friday, November 13, 2026
Hawaii Time (HST) is 6 hours behind Atlantic Time (AST / ADT).
Quick Reference
- Atlantic Time
- AST (GMT-4)
ADT starts on Mar 14, 2027
- Hawaii Time
- HST (GMT-10)
No Daylight Saving Time
Cities in AST
Cities in HST
Frequently Asked Questions
- What is the difference between AST and HST?
- HST is 6 hours behind AST.
- How do I convert AST to HST?
- To convert from AST to HST, subtract 6 hours. Use the interactive converter on this page to convert specific times.
- What cities are in AST and HST?
- Cities in AST include Halifax, Charlottetown. Cities in HST include Honolulu, Hilo, Kahului, Kaneohe, Kapolei.