Riyadh
Dubai
Convert AST to GST
Arabia Standard Time to Gulf Standard Time — Dubai is 1 hour ahead of Riyadh
Quick Facts
Time Difference
+1 hours
AST Full Name
Arabia Standard Time
GST Full Name
Gulf Standard Time
AST to GST Conversion Table
Related Conversions
About AST and GST Time Zones
AST (Arabia Standard Time) is UTC+3 and covers cities like Riyadh, Jeddah, Baghdad. GST (Gulf Standard Time) is UTC+4 and covers cities like Dubai, Abu Dhabi, Muscat.
When it's 12:00 PM (noon) in Riyadh (AST), it's 1:00 PM in Dubai (GST). The time difference between AST and GST is 1 hour — Dubai is ahead of Riyadh.
With only a 1-hour difference, Riyadh and Dubai share nearly a full business day overlap, making scheduling straightforward.
Use our world clock tool to compare Riyadh and Dubai with a visual timeline, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between AST and GST?
Dubai (GST) is 1 hour ahead of Riyadh (AST). The offset is +1 hours.
Is GST ahead or behind AST?
GST is 1 hour ahead of AST. AST is UTC+3 and GST is UTC+4.
When it's 12:00 PM in Riyadh, what time is it in Dubai?
When it's 12:00 PM (noon) in Riyadh (AST), it's 1:00 PM in Dubai (GST).
When it's 5:00 PM in Riyadh, what time is it in Dubai?
When it's 5:00 PM in Riyadh (AST), it's 6:00 PM in Dubai (GST).