CHAST to EST Converter
Eastern Time (EST / EDT) is 17.75 hours behind Chatham Islands (CHAST / CHADT).
Quick Reference
- Chatham Islands
- GMT+13:45
GMT+12:45 starts on Apr 4, 2026
- Eastern Time
- EDT (GMT-4)
EST starts on Nov 1, 2026
Cities in CHAST
Cities in EST
Frequently Asked Questions
- What is the difference between CHAST and EST?
- EST is 17.75 hours behind CHAST.
- How do I convert CHAST to EST?
- To convert from CHAST to EST, subtract 17.75 hours. Use the interactive converter on this page to convert specific times.
- What cities are in CHAST and EST?
- Cities in CHAST include . Cities in EST include New York City, Brooklyn, Queens, Philadelphia, Manhattan.