AST to HST Converter
Atlantic Time
4:25:21 AM ADT
Thursday, May 14, 2026
7h
7h
Hawaii Time
9:25:21 PM HST
Wednesday, May 13, 2026
Hawaii Time (HST) is 7 hours behind Atlantic Time (AST / ADT).
Quick Reference
- Atlantic Time
- ADT (GMT-3)
AST starts on Nov 1, 2026
- 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 7 hours behind AST.
- How do I convert AST to HST?
- To convert from AST to HST, subtract 7 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.