UTC
Riyadh
Convert UTC to AST
Coordinated Universal Time to Arabia Standard Time — Riyadh is 3 hours ahead of UTC
Quick Facts
Time Difference
+3 hours
UTC Full Name
Coordinated Universal Time
AST Full Name
Arabia Standard Time
UTC to AST Conversion Table
Related Conversions
About UTC and AST Time Zones
UTC (Coordinated Universal Time) is UTC+0 and covers cities like Universal reference time. AST (Arabia Standard Time) is UTC+3 and covers cities like Riyadh, Jeddah, Baghdad.
When it's 12:00 PM (noon) in UTC (UTC), it's 3:00 PM in Riyadh (AST). The time difference between UTC and AST is 3 hours — Riyadh is ahead of UTC.
With only a 3-hour difference, UTC and Riyadh share nearly a full business day overlap, making scheduling straightforward.
Use our world clock tool to compare UTC and Riyadh with a visual timeline, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between UTC and AST?
Riyadh (AST) is 3 hours ahead of UTC (UTC). The offset is +3 hours.
Is AST ahead or behind UTC?
AST is 3 hours ahead of UTC. UTC is UTC+0 and AST is UTC+3.
When it's 12:00 PM in UTC, what time is it in Riyadh?
When it's 12:00 PM (noon) in UTC (UTC), it's 3:00 PM in Riyadh (AST).
When it's 5:00 PM in UTC, what time is it in Riyadh?
When it's 5:00 PM in UTC (UTC), it's 8:00 PM in Riyadh (AST).