TimezoneHop

KST to AST Converter

AST is 13 hours behind KST. When it is 9:00 AM in KST, it is 8:00 PM the previous day in AST.

Convert KST to AST

Live
  1. KSTKST (UTC+9)
    3:27 PMThu, Nov 5
  2. ASTAST (UTC−4), 13 hours behind
    2:27 AMThu, Nov 5
Thursday, November 5, 2026

KST to AST time table

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

Best time for a meeting

Working hours (9 AM–5 PM) do not overlap. The closest compromise is 7:00 AM in KST, which is 6:00 PM in AST.

Daylight saving changes

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

More about these times

Convert KST to other places

Convert other places to AST