AKST to CHAST Converter
Chatham Islands (CHAST / CHADT) is 21.75 hours ahead of Alaska Time (AKST / AKDT).
Quick Reference
- Alaska Time
- AKDT (GMT-8)
AKST starts on Nov 1, 2026
- Chatham Islands
- GMT+13:45
GMT+12:45 starts on Apr 4, 2026
Cities in AKST
Cities in CHAST
Frequently Asked Questions
- What is the difference between AKST and CHAST?
- CHAST is 21.75 hours ahead of AKST.
- How do I convert AKST to CHAST?
- To convert from AKST to CHAST, add 21.75 hours. Use the interactive converter on this page to convert specific times.
- What cities are in AKST and CHAST?
- Cities in AKST include Anchorage. Cities in CHAST include .