AST to PST Converter
Atlantic Time
4:24:52 AM ADT
Thursday, May 14, 2026
4h
4h
Pacific Time
12:24:52 AM PDT
Thursday, May 14, 2026
Pacific Time (PST / PDT) is 4 hours behind Atlantic Time (AST / ADT).
Quick Reference
- Atlantic Time
- ADT (GMT-3)
AST starts on Nov 1, 2026
- Pacific Time
- PDT (GMT-7)
PST starts on Nov 1, 2026
Cities in AST
Cities in PST
Frequently Asked Questions
- What is the difference between AST and PST?
- PST is 4 hours behind AST.
- How do I convert AST to PST?
- To convert from AST to PST, subtract 4 hours. Use the interactive converter on this page to convert specific times.
- What cities are in AST and PST?
- Cities in AST include Halifax, Charlottetown. Cities in PST include Los Angeles, San Francisco, Seattle, San Diego, Las Vegas.