BST
London
AST
Riyadh
Convert BST to AST
British Summer Time to Arabia Standard Time — Riyadh is 3 hours ahead of London
5:27 PM
Friday, March 27, 2026
UTC+0
8:27 PM
Friday, March 27, 2026
UTC+3
Quick Facts
Time Difference
+3 hours
BST Full Name
British Summer Time
AST Full Name
Arabia Standard Time
BST to AST Conversion Table
BST (London)
AST (Riyadh)
12:00 AM
3:00 AM
1:00 AM
4:00 AM
2:00 AM
5:00 AM
3:00 AM
6:00 AM
4:00 AM
7:00 AM
5:00 AM
8:00 AM
6:00 AM
9:00 AM
7:00 AM
10:00 AM
8:00 AM
11:00 AM
9:00 AM
12:00 PM
10:00 AM
1:00 PM
11:00 AM
2:00 PM
12:00 PM
3:00 PM
1:00 PM
4:00 PM
2:00 PM
5:00 PM
3:00 PM
6:00 PM
4:00 PM
7:00 PM
5:00 PM
8:00 PM
6:00 PM
9:00 PM
7:00 PM
10:00 PM
8:00 PM
11:00 PM
9:00 PM
12:00 AM(Mar 28)
10:00 PM
1:00 AM(Mar 28)
11:00 PM
2:00 AM(Mar 28)
Related Conversions
About BST and AST Time Zones
BST (British Summer Time) is UTC+0 and is the standard time zone for London. AST (Arabia Standard Time) is UTC+3 and is the standard time zone for Riyadh.
When it's 12:00 PM (noon) in London (BST), it's 3:00 PM in Riyadh (AST). The time difference between BST and AST is 3 hours.
Use our world clock tool to compare London and Riyadh with a visual timeline, or browse more timezone conversions.