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JST to CDT converter

CDT is 15 hours behind of JST today. JST (Japan Standard Time) - currently UTC+9; CDT (Central Daylight Time) - currently UTC−6.

The 09:00-18:00 workdays in JST and CDT don't overlap at all, so one side always works early or late. Quick answers: 9 AM JST = 6 PM CDT (previous day), 12 PM JST = 9 PM CDT (previous day), 5 PM JST = 2 AM CDT.

JST · Japan Standard Time

UTC+9

CDT · Central Daylight Time

UTC−6

Convert a time

CDT
--:--

Working hours side by side

columns: JST hours
PING · 09–18 local MAYBE · 07–09, 18–21 NOT NOW · 21–07Outlined: everyone can be pinged

JST to CDT conversion table

JSTCDTVerdict in CDT
12 AM · 00:009 AM · 09:00 (previous day)PING
1 AM · 01:0010 AM · 10:00 (previous day)PING
2 AM · 02:0011 AM · 11:00 (previous day)PING
3 AM · 03:0012 PM · 12:00 (previous day)PING
4 AM · 04:001 PM · 13:00 (previous day)PING
5 AM · 05:002 PM · 14:00 (previous day)PING
6 AM · 06:003 PM · 15:00 (previous day)PING
7 AM · 07:004 PM · 16:00 (previous day)PING
8 AM · 08:005 PM · 17:00 (previous day)PING
9 AM · 09:006 PM · 18:00 (previous day)MAYBE
10 AM · 10:007 PM · 19:00 (previous day)MAYBE
11 AM · 11:008 PM · 20:00 (previous day)MAYBE
12 PM · 12:009 PM · 21:00 (previous day)NOT NOW
1 PM · 13:0010 PM · 22:00 (previous day)NOT NOW
2 PM · 14:0011 PM · 23:00 (previous day)NOT NOW
3 PM · 15:0012 AM · 00:00NOT NOW
4 PM · 16:001 AM · 01:00NOT NOW
5 PM · 17:002 AM · 02:00NOT NOW
6 PM · 18:003 AM · 03:00NOT NOW
7 PM · 19:004 AM · 04:00NOT NOW
8 PM · 20:005 AM · 05:00NOT NOW
9 PM · 21:006 AM · 06:00NOT NOW
10 PM · 22:007 AM · 07:00MAYBE
11 PM · 23:008 AM · 08:00MAYBE

Cities on JST

Asia/Tokyo
TokyoYokohamaOsakaNagoyaSapporoFukuoka

Cities on CDT

America/Chicago
ChicagoHoustonSan AntonioDallasFort WorthAustin

Other conversions

All converters
CDT → JSTJST → ESTJST → EDTJST → PSTJST → PDTJST → CSTJST → MSTJST → GMTJST → UTCJST → BSTJST → CET

Questions

What is the time difference between JST and CDT?

CDT (Central Daylight Time) is 15 hours behind of JST (Japan Standard Time) right now: UTC+9 versus UTC−6.

What is 9 AM JST in CDT?

9:00 AM JST is 6 PM CDT (previous day).

What is 5 PM JST in CDT?

5:00 PM JST is 2 AM CDT.

Does daylight saving change the JST–CDT difference?

JST has no daylight saving; it stays UTC+9 all year. Chicago switches between CDT and CST; next change Sunday, 14 March 2027 (UTC−6 → UTC−5).