JST to KST Converter
Convert time between Japan Standard Time (JST) and Korea Standard Time (KST).

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Time Zone Comparison Chart

Compare the selected time across multiple time zones. Click hours in the source timezone to change time.

JST → KST conversion table

What time it is in KST for each hour in JST today.

Morning
12:00 AM JST 12:00 AM KST
1:00 AM JST 1:00 AM KST
2:00 AM JST 2:00 AM KST
3:00 AM JST 3:00 AM KST
4:00 AM JST 4:00 AM KST
5:00 AM JST 5:00 AM KST
6:00 AM JST 6:00 AM KST
7:00 AM JST 7:00 AM KST
8:00 AM JST 8:00 AM KST
9:00 AM JST 9:00 AM KST
10:00 AM JST 10:00 AM KST
11:00 AM JST 11:00 AM KST
Afternoon
12:00 PM JST 12:00 PM KST
1:00 PM JST 1:00 PM KST
2:00 PM JST 2:00 PM KST
3:00 PM JST 3:00 PM KST
4:00 PM JST 4:00 PM KST
5:00 PM JST 5:00 PM KST
Evening
6:00 PM JST 6:00 PM KST
7:00 PM JST 7:00 PM KST
8:00 PM JST 8:00 PM KST
9:00 PM JST 9:00 PM KST
10:00 PM JST 10:00 PM KST
11:00 PM JST 11:00 PM KST

Frequently asked questions

Use the hour-by-hour table below to see how each clock hour in Japan Standard Time (JST) maps to Korea Standard Time (KST). Offsets can change with daylight saving.

Enter a time in the converter above, or look up the matching row in the 24-hour conversion table. Both times use today's date in their respective zones.

Yes. When either zone observes DST, the offset between them can shift by an hour. The table reflects the offset for today.

Convert JST to other time zones

JST to EST
JST to EDT
JST to CST
JST to CDT
JST to PST
JST to PDT
JST to MST
JST to MDT
JST to AKST
JST to HST
JST to HDT
JST to ADT
JST to AST
JST to NST
JST to BRT
JST to ART
JST to CLT
JST to COT
JST to ECT
JST to VET
JST to PET
JST to PYT
JST to UYT
JST to GFT
JST to SRT
JST to BOT
JST to GYT
JST to GMT
JST to BST
JST to IST
JST to WEST
JST to CET
JST to CEST
JST to EET
JST to EEST
JST to MSK
JST to IDT
JST to GST
JST to IRST
JST to AFT
JST to PKT
JST to NPT
JST to BTT
JST to MMT
JST to ICT
JST to SGT
JST to WIB
JST to WITA
JST to WIT
JST to PHT
JST to HKT
JST to KST
JST to UZT
JST to TJT
JST to TMT
JST to KGT
JST to ALMT
JST to YEKT
JST to OMST
JST to KRAT
JST to IRKT
JST to YAKT
JST to VLAT
JST to MAGT
JST to SAKT
JST to SRET
JST to ANAT
JST to CAT
JST to EAT
JST to SAST
JST to AEST
JST to ACST
JST to ACDT
JST to AWST
JST to NZST
JST to SST
JST to CHST
JST to UTC
JST to WET

Convert KST to other time zones

KST to EST
KST to EDT
KST to CST
KST to CDT
KST to PST
KST to PDT
KST to MST
KST to MDT
KST to AKST
KST to HST
KST to HDT
KST to ADT
KST to AST
KST to NST
KST to BRT
KST to ART
KST to CLT
KST to COT
KST to ECT
KST to VET
KST to PET
KST to PYT
KST to UYT
KST to GFT
KST to SRT
KST to BOT
KST to GYT
KST to GMT
KST to BST
KST to IST
KST to WEST
KST to CET
KST to CEST
KST to EET
KST to EEST
KST to MSK
KST to IDT
KST to GST
KST to IRST
KST to AFT
KST to PKT
KST to NPT
KST to BTT
KST to MMT
KST to ICT
KST to SGT
KST to WIB
KST to WITA
KST to WIT
KST to PHT
KST to HKT
KST to JST
KST to UZT
KST to TJT
KST to TMT
KST to KGT
KST to ALMT
KST to YEKT
KST to OMST
KST to KRAT
KST to IRKT
KST to YAKT
KST to VLAT
KST to MAGT
KST to SAKT
KST to SRET
KST to ANAT
KST to CAT
KST to EAT
KST to SAST
KST to AEST
KST to ACST
KST to ACDT
KST to AWST
KST to NZST
KST to SST
KST to CHST
KST to UTC
KST to WET