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