AST to WAT Converter
West Africa Time (WAT) is 4 hours ahead of Atlantic Time (AST / ADT).
Quick Reference
- Atlantic Time
- ADT (GMT-3)
AST starts on Nov 1, 2026
- West Africa Time
- WAT (GMT+1)
No Daylight Saving Time
Cities in AST
Cities in WAT
Frequently Asked Questions
- What is the difference between AST and WAT?
- WAT is 4 hours ahead of AST.
- How do I convert AST to WAT?
- To convert from AST to WAT, add 4 hours. Use the interactive converter on this page to convert specific times.
- What cities are in AST and WAT?
- Cities in AST include Halifax, Charlottetown. Cities in WAT include Lagos, Kano, Ibadan, Abuja, Port Harcourt.