JST to KST Converter

Japan Time (JST) and Korea Time (KST) are in the same time zone.

Quick Reference

Japan Time
JST (GMT+9)

No Daylight Saving Time

Korea Time
KST (GMT+9)

No Daylight Saving Time

Frequently Asked Questions

What is the difference between JST and KST?
JST and KST are in the same time zone. Use the interactive converter on this page to visually compare times side by side.
How do I convert JST to KST?
JST and KST are in the same time zone. Use the interactive converter on this page to visually compare hours side by side.
What cities are in JST and KST?
Cities in JST include Tokyo, Yokohama, Osaka, Nagoya, Sapporo. Cities in KST include Seoul, Busan, Incheon, Daegu, Daejeon.
JST to KST Converter | Timezone App