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