AST to JST Converter
Atlantic Time
10:50:41 AM AST
Friday, November 13, 2026
13h
13h
Japan Time
11:50:41 PM JST
Friday, November 13, 2026
Japan Time (JST) is 13 hours ahead of Atlantic Time (AST / ADT).
Quick Reference
- Atlantic Time
- AST (GMT-4)
ADT starts on Mar 14, 2027
- Japan Time
- JST (GMT+9)
No Daylight Saving Time
Cities in AST
Cities in JST
Frequently Asked Questions
- What is the difference between AST and JST?
- JST is 13 hours ahead of AST.
- How do I convert AST to JST?
- To convert from AST to JST, add 13 hours. Use the interactive converter on this page to convert specific times.
- What cities are in AST and JST?
- Cities in AST include Halifax, Charlottetown. Cities in JST include Tokyo, Osaka, Yokohama, Kyoto, Nagoya.