AST to IST Converter
India Time (IST) is 8.5 hours ahead of Atlantic Time (AST / ADT).
Quick Reference
- Atlantic Time
- ADT (GMT-3)
AST starts on Nov 1, 2026
- India Time
- IST (GMT+5:30)
No Daylight Saving Time
Cities in AST
Cities in IST
Frequently Asked Questions
- What is the difference between AST and IST?
- IST is 8.5 hours ahead of AST.
- How do I convert AST to IST?
- To convert from AST to IST, add 8.5 hours. Use the interactive converter on this page to convert specific times.
- What cities are in AST and IST?
- Cities in AST include Halifax, Charlottetown. Cities in IST include Mumbai, Delhi, Bengaluru, Hyderabad, Ahmedabad.