TimezoneHop

BST to AST Converter

AST is 5 hours behind BST. When it is 9:00 AM in BST, it is 4:00 AM in AST.

Most places that use BST are currently on GMT (UTC) until Sun, Mar 28, 2027. London is currently UTC.

Convert BST to AST

Live
  1. BSTBST (UTC+1)
    7:27 AMThu, Nov 5
  2. ASTAST (UTC−4), 5 hours behind
    2:27 AMThu, Nov 5
Thursday, November 5, 2026

BST to AST time table

BSTAST
12:00 AM7:00 PMprevious day
1:00 AM8:00 PMprevious day
2:00 AM9:00 PMprevious day
3:00 AM10:00 PMprevious day
4:00 AM11:00 PMprevious day
5:00 AM12:00 AM
6:00 AM1:00 AM
7:00 AM2:00 AM
8:00 AM3:00 AM
9:00 AM4:00 AM
10:00 AM5:00 AM
11:00 AM6:00 AM
12:00 PM7:00 AM
1:00 PM8:00 AM
2:00 PM9:00 AM
3:00 PM10:00 AM
4:00 PM11:00 AM
5:00 PM12:00 PM
6:00 PM1:00 PM
7:00 PM2:00 PM
8:00 PM3:00 PM
9:00 PM4:00 PM
10:00 PM5:00 PM
11:00 PM6:00 PM

Best time for a meeting

The best time to meet is 2:00 PM–5:00 PM in BST (9:00 AM–12:00 PM in AST), when both are within 9 AM–5 PM working hours.

Daylight saving changes

BST and AST are fixed UTC offsets, so the difference between them never changes.

More about these times

Convert BST to other places

Convert other places to AST