TimezoneHop

IST to AST Converter

AST is 9 hours 30 minutes behind IST. When it is 9:00 AM in IST, it is 11:30 PM the previous day in AST.

Convert IST to AST

Live
  1. ISTIST (UTC+5:30)
    11:57 AMThu, Nov 5
  2. ASTAST (UTC−4), 9 hours 30 minutes behind
    2:27 AMThu, Nov 5
Thursday, November 5, 2026

IST to AST time table

ISTAST
12:00 AM2:30 PMprevious day
1:00 AM3:30 PMprevious day
2:00 AM4:30 PMprevious day
3:00 AM5:30 PMprevious day
4:00 AM6:30 PMprevious day
5:00 AM7:30 PMprevious day
6:00 AM8:30 PMprevious day
7:00 AM9:30 PMprevious day
8:00 AM10:30 PMprevious day
9:00 AM11:30 PMprevious day
10:00 AM12:30 AM
11:00 AM1:30 AM
12:00 PM2:30 AM
1:00 PM3:30 AM
2:00 PM4:30 AM
3:00 PM5:30 AM
4:00 PM6:30 AM
5:00 PM7:30 AM
6:00 PM8:30 AM
7:00 PM9:30 AM
8:00 PM10:30 AM
9:00 PM11:30 AM
10:00 PM12:30 PM
11:00 PM1:30 PM

Best time for a meeting

Working hours (9 AM–5 PM) do not overlap. The closest compromise is 5:00 PM in IST, which is 7:30 AM in AST.

Daylight saving changes

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

More about these times

Convert IST to other places

Convert other places to AST