TimezoneHop

AST to JST Converter

JST is 13 hours ahead of AST. When it is 9:00 AM in AST, it is 10:00 PM in JST.

Convert AST to JST

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

AST to JST time table

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

Best time for a meeting

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

Daylight saving changes

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

More about these times

Convert AST to other places

Convert other places to JST