AST to SGT Time Converter
Arabia Standard Time → Singapore Time
AST = UTC+3SGT = UTC+8
⚠️ AST is ambiguous — on this page it means Arabia Standard Time. It also refers to:
AST (Riyadh) ↔ SGT (Singapore)
3h of business hours overlap daily (09:00–17:00)
AST (Riyadh)
SGT (Singapore)
Working hours: 09:00–17:00 local. Green = both working. Purple = one side only.
Frequently Asked Questions
What is the difference between ast and sgt?
Arabia Standard Time (ast) is UTC+3 and Singapore Time (sgt) is UTC+8. The difference between them is 5 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 sgt used?
Singapore Time (sgt) is used in Singapore and surrounding regions. The IANA timezone identifier is Asia/Singapore.
How do I convert ast to sgt?
Use the interactive converter above. Drag the time slider to any ast time and the sgt 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