AST to CST Converter
China Time (CST) is 11 hours ahead of Atlantic Time (AST / ADT).
Quick Reference
- Atlantic Time
- ADT (GMT-3)
AST starts on Nov 1, 2026
- China Time
- CST (GMT+8)
No Daylight Saving Time
Cities in AST
Cities in CST
Frequently Asked Questions
- What is the difference between AST and CST?
- CST is 11 hours ahead of AST.
- How do I convert AST to CST?
- To convert from AST to CST, add 11 hours. Use the interactive converter on this page to convert specific times.
- What cities are in AST and CST?
- Cities in AST include Halifax, Charlottetown. Cities in CST include Shanghai, Beijing, Shenzhen, Guangzhou, Chengdu.