AST to NST Converter

Newfoundland Time (NST / NDT) is 0.5 hours ahead of Atlantic Time (AST / ADT).

Quick Reference

Atlantic Time
ADT (GMT-3)

AST starts on Nov 1, 2026

Newfoundland Time
NDT (GMT-2:30)

NST starts on Nov 1, 2026

Frequently Asked Questions

What is the difference between AST and NST?
NST is 0.5 hours ahead of AST.
How do I convert AST to NST?
To convert from AST to NST, add 0.5 hours. Use the interactive converter on this page to convert specific times.
What cities are in AST and NST?
Cities in AST include Halifax, Charlottetown. Cities in NST include St. John's.
AST to NST Converter | Timezone App