JST to COT time converter

COT is 14 hours behind JST. When it is 9:00 AM in JST, it is 7:00 PM (Fri, Oct 16) in COT.

JST UTC+9

Saturday, October 17, 2026

COT UTC-5

Friday, October 16, 2026

JST
Japan Standard Time
Sat, Oct 17
UTC+9
COT
Colombia Time
Fri, Oct 16
UTC-5-14h
Finding your time zone…
Shared working hours (9:00–18:00)

JST to COT conversion table

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

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 7:00 AM – 8:00 AM in JST (5:00 PM – 6:00 PM in COT): working hours on one side, early or late on the other.

Daylight saving time and the difference

The difference stays 14 hours all year.

More conversions

COT 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 COTGMT to COTEST to COTCST to COTMST to COTPST to COTCET to COTMSK to COTGST to COTPKT to COTIST to COTSGT to COT

Questions and answers

What is the time difference between JST and COT?

COT is 14 hours behind JST.

What time is it in COT when it is 9 AM in JST?

When it is 9:00 AM in JST, it is 7:00 PM (Fri, Oct 16) in COT.

When is the best time to call COT from JST?

Working hours don't overlap fully. The closest fit is 7:00 AM – 8:00 AM in JST (5:00 PM – 6:00 PM in COT): working hours on one side, early or late on the other.

Does the time difference between JST and COT change?

No. The difference stays 14 hours all year.