CHAST to HST Converter
Chatham Islands
2:59:51 PM GMT+13:45
Tuesday, September 29, 2026
23h 45m
23h 45m
Hawaii Time
3:14:51 PM HST
Monday, September 28, 2026
Hawaii Time (HST) is 23.75 hours behind Chatham Islands (CHAST / CHADT).
Quick Reference
- Chatham Islands
- GMT+13:45
GMT+12:45 starts on Apr 3, 2027
- Hawaii Time
- HST (GMT-10)
No Daylight Saving Time
Cities in CHAST
Cities in HST
Frequently Asked Questions
- What is the difference between CHAST and HST?
- HST is 23.75 hours behind CHAST.
- How do I convert CHAST to HST?
- To convert from CHAST to HST, subtract 23.75 hours. Use the interactive converter on this page to convert specific times.
- What cities are in CHAST and HST?
- Cities in CHAST include . Cities in HST include Honolulu, Hilo, Kahului, Kaneohe, Kapolei.