KST to JST — Timezone Converter
Korea Standard Time (UTC+9) → Japan Standard Time (UTC+9)
KSTUTC+9
--:--:--
…
Seoul, South Korea
…
JSTUTC+9
--:--:--
…
Tokyo, Japan
About this conversion
Standard differenceNo difference
KST UTCUTC+9
JST UTCUTC+9
Daylight saving (DST)Neither zone
Frequently Asked Questions
What is the time difference between KST and JST?
KST and JST share the same UTC offset — there is no time difference between them.
When it is 12:00 noon KST, what time is it in JST?
Both zones show the same time — it is also 12:00 PM JST.
How do I convert KST time to JST?
No conversion needed — KST and JST are at the same UTC offset.
What cities are in the KST timezone?
Cities in the KST timezone (Korea Standard Time) include: Seoul, Busan, Incheon, Daegu, Gwangju, Daejeon.
Do KST or JST observe daylight saving time (DST)?
Neither KST nor JST observes daylight saving time. The offset stays the same year-round.