AST to EST Converter

Atlantic Time

10:49:46 AM AST

Friday, November 13, 2026

1h

Eastern Time

9:49:46 AM EST

Friday, November 13, 2026

Eastern Time (EST / EDT) is 1 hour behind Atlantic Time (AST / ADT).

Quick Reference

Atlantic Time
AST (GMT-4)

ADT starts on Mar 14, 2027

Eastern Time
EST (GMT-5)

EDT starts on Mar 14, 2027

Frequently Asked Questions

What is the difference between AST and EST?
EST is 1 hour behind AST.
How do I convert AST to EST?
To convert from AST to EST, subtract 1 hour. Use the interactive converter on this page to convert specific times.
What cities are in AST and EST?
Cities in AST include Halifax, Charlottetown. Cities in EST include New York City, Washington DC, Boston, Philadelphia, Atlanta.