AST
Riyadh
KST
Seoul
Convert AST to KST
Arabia Standard Time to Korea Standard Time — Seoul is 6 hours ahead of Riyadh
8:27 PM
Friday, March 27, 2026
UTC+3
2:27 AM
Saturday, March 28, 2026
UTC+9
Quick Facts
Time Difference
+6 hours
AST Full Name
Arabia Standard Time
KST Full Name
Korea Standard Time
AST to KST Conversion Table
AST (Riyadh)
KST (Seoul)
12:00 AM
6:00 AM
1:00 AM
7:00 AM
2:00 AM
8:00 AM
3:00 AM
9:00 AM
4:00 AM
10:00 AM
5:00 AM
11:00 AM
6:00 AM
12:00 PM
7:00 AM
1:00 PM
8:00 AM
2:00 PM
9:00 AM
3:00 PM
10:00 AM
4:00 PM
11:00 AM
5:00 PM
12:00 PM
6:00 PM
1:00 PM
7:00 PM
2:00 PM
8:00 PM
3:00 PM
9:00 PM
4:00 PM
10:00 PM
5:00 PM
11:00 PM
6:00 PM
12:00 AM(Mar 28)
7:00 PM
1:00 AM(Mar 28)
8:00 PM
2:00 AM(Mar 28)
9:00 PM
3:00 AM(Mar 28)
10:00 PM
4:00 AM(Mar 28)
11:00 PM
5:00 AM(Mar 28)
Related Conversions
About AST and KST Time Zones
AST (Arabia Standard Time) is UTC+3 and is the standard time zone for Riyadh. KST (Korea Standard Time) is UTC+9 and is the standard time zone for Seoul.
When it's 12:00 PM (noon) in Riyadh (AST), it's 6:00 PM in Seoul (KST). The time difference between AST and KST is 6 hours.
Use our world clock tool to compare Riyadh and Seoul with a visual timeline, or browse more timezone conversions.