AST
Riyadh
BST
London
Convert AST to BST
Arabia Standard Time to British Summer Time — London is 3 hours behind Riyadh
8:27 PM
Friday, March 27, 2026
UTC+3
5:27 PM
Friday, March 27, 2026
UTC+0
Quick Facts
Time Difference
-3 hours
AST Full Name
Arabia Standard Time
BST Full Name
British Summer Time
AST to BST Conversion Table
AST (Riyadh)
BST (London)
12:00 AM
9:00 PM(Mar 26)
1:00 AM
10:00 PM(Mar 26)
2:00 AM
11:00 PM(Mar 26)
3:00 AM
12:00 AM
4:00 AM
1:00 AM
5:00 AM
2:00 AM
6:00 AM
3:00 AM
7:00 AM
4:00 AM
8:00 AM
5:00 AM
9:00 AM
6:00 AM
10:00 AM
7:00 AM
11:00 AM
8:00 AM
12:00 PM
9:00 AM
1:00 PM
10:00 AM
2:00 PM
11:00 AM
3:00 PM
12:00 PM
4:00 PM
1:00 PM
5:00 PM
2:00 PM
6:00 PM
3:00 PM
7:00 PM
4:00 PM
8:00 PM
5:00 PM
9:00 PM
6:00 PM
10:00 PM
7:00 PM
11:00 PM
8:00 PM
Related Conversions
About AST and BST Time Zones
AST (Arabia Standard Time) is UTC+3 and is the standard time zone for Riyadh. BST (British Summer Time) is UTC+0 and is the standard time zone for London.
When it's 12:00 PM (noon) in Riyadh (AST), it's 9:00 AM in London (BST). The time difference between AST and BST is 3 hours.
Use our world clock tool to compare Riyadh and London with a visual timeline, or browse more timezone conversions.