AEST to HST Converter
Hawaii Time (HST) is 21 hours behind Australian Eastern Time (AEST / AEDT).
Quick Reference
- Australian Eastern Time
- AEDT (GMT+11)
AEST starts on Apr 4, 2026
- Hawaii Time
- HST (GMT-10)
No Daylight Saving Time
Cities in AEST
Cities in HST
Frequently Asked Questions
- What is the difference between AEST and HST?
- HST is 21 hours behind AEST.
- How do I convert AEST to HST?
- To convert from AEST to HST, subtract 21 hours. Use the interactive converter on this page to convert specific times.
- What cities are in AEST and HST?
- Cities in AEST include Sydney, Newcastle, Canberra. Cities in HST include Honolulu.