Singapore
Riyadh
Convert SGT to AST
Singapore Time to Arabia Standard Time — Riyadh is 5 hours behind Singapore
Quick Facts
Time Difference
-5 hours
SGT Full Name
Singapore Time
AST Full Name
Arabia Standard Time
SGT to AST Conversion Table
Related Conversions
About SGT and AST Time Zones
SGT (Singapore Time) is UTC+8 and covers cities like Singapore, Kuala Lumpur. AST (Arabia Standard Time) is UTC+3 and covers cities like Riyadh, Jeddah, Baghdad.
When it's 12:00 PM (noon) in Singapore (SGT), it's 7:00 AM in Riyadh (AST). The time difference between SGT and AST is 5 hours — Riyadh is behind Singapore.
The best meeting window is 9:00 AM–12:00 PM SGT (2:00 PM–5:00 PM AST).
Use our world clock tool to compare Singapore and Riyadh with a visual timeline, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between SGT and AST?
Riyadh (AST) is 5 hours behind Singapore (SGT). The offset is -5 hours.
Is AST ahead or behind SGT?
AST is 5 hours behind SGT. SGT is UTC+8 and AST is UTC+3.
When it's 12:00 PM in Singapore, what time is it in Riyadh?
When it's 12:00 PM (noon) in Singapore (SGT), it's 7:00 AM in Riyadh (AST).
When it's 5:00 PM in Singapore, what time is it in Riyadh?
When it's 5:00 PM in Singapore (SGT), it's 12:00 PM in Riyadh (AST).