JST to CLT/CLST time converter

CLT/CLST is 12 hours behind JST. When it is 9:00 AM in JST, it is 9:00 PM (Fri, Oct 16) in CLT/CLST.

JST UTC+9

Saturday, October 17, 2026

CLT/CLST CLST

Friday, October 16, 2026

JST
Japan Standard Time
Sat, Oct 17
UTC+9
CLT/CLST
Chile Summer Time
Fri, Oct 16
CLSTUTC-3-12h
Finding your time zone…
Shared working hours (9:00–18:00)

JST to CLT/CLST conversion table

Every hour of today in JST and the matching time in CLT/CLST. Light rows are typical working hours (9:00–18:00).

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 9:00 AM – 10:00 AM in JST (9:00 PM – 10:00 PM in CLT/CLST): working hours on one side, early or late on the other.

Daylight saving time and the difference

The difference changes during the year because JST and CLT/CLST switch clocks on different dates:

  • Oct 17, 2026 – Apr 4, 2027: -12h
  • Apr 4, 2027 – Sep 5, 2027: -13h
  • Sep 5, 2027 – Oct 17, 2027: -12h

More conversions

CLST to JSTJST to UTCJST to GMTJST to ESTJST to CSTJST to MSTJST to PSTJST to CETJST to MSKJST to GSTJST to PKTJST to ISTJST to SGT
UTC to CLSTGMT to CLSTEST to CLSTCST to CLSTMST to CLSTPST to CLSTCET to CLSTMSK to CLSTGST to CLSTPKT to CLSTIST to CLSTSGT to CLST

Questions and answers

What is the time difference between JST and CLT/CLST?

CLT/CLST is 12 hours behind JST.

What time is it in CLT/CLST when it is 9 AM in JST?

When it is 9:00 AM in JST, it is 9:00 PM (Fri, Oct 16) in CLT/CLST.

When is the best time to call CLT/CLST from JST?

Working hours don't overlap fully. The closest fit is 9:00 AM – 10:00 AM in JST (9:00 PM – 10:00 PM in CLT/CLST): working hours on one side, early or late on the other.

Does the time difference between JST and CLT/CLST change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.