AST to EST Time Converter
Arabia Standard Time → Eastern Standard Time
AST = UTC+3EST = UTC-4
⚠️ AST is ambiguous — on this page it means Arabia Standard Time. It also refers to:
AST (Riyadh) ↔ EST (New York)
1h of business hours overlap daily (09:00–17:00)
AST (Riyadh)
EST (New York)
Working hours: 09:00–17:00 local. Green = both working. Purple = one side only.
Frequently Asked Questions
What is the difference between ast and est?
Arabia Standard Time (ast) is UTC+3 and Eastern Standard Time (est) is UTC-4. The difference between them is 7 hours.
Where is ast used?
Arabia Standard Time (ast) is used in Saudi Arabia and surrounding regions. The IANA timezone identifier is Asia/Riyadh. Note: ast is ambiguous and may refer to other timezones.
Where is est used?
Eastern Standard Time (est) is used in USA and surrounding regions. The IANA timezone identifier is America/New_York.
How do I convert ast to est?
Use the interactive converter above. Drag the time slider to any ast time and the est equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.
Popular AST conversions
AST → LondonAST → New YorkAST → TokyoAST → DubaiAST → SydneyAST → ParisAST → BerlinAST → SingaporeAST → Los AngelesAST → Toronto