Convert JST to KST Time
Free online converter with current times, time difference, and conversion table between JST and KST time zones.
Current time in JST: Loading...
Current time in KST: Loading...
Time difference: +0 hours
JST to KST Conversion Table
This table shows common JST times converted to KST time:
About JST and KST Time Zones
JST Time Zone
Full Name: Japan Standard Time
UTC Offset: UTC+9
Current Time: Loading...
Standard time in Japan.
Used in: Japan
KST Time Zone
Full Name: Korea Standard Time
UTC Offset: UTC+9
Current Time: Loading...
Standard time in Korea.
Used in: South Korea, North Korea
How to Convert JST to KST
Enter JST Time
Enter the JST time you want to convert using the time picker or by typing directly in 24-hour format.
Click Convert
Click the "Convert Time" button to perform the conversion from JST to KST.
View Result
The equivalent KST time will be displayed, along with the time difference between the two zones.
Use Conversion Table
For quick reference, you can also use the conversion table below that shows common JST times converted to KST.
Common Uses for JST to KST Conversion
International Business
Schedule meetings and calls between locations in Japan and South Korea time zones.
Travel Planning
Calculate arrival times and plan activities when traveling between Japan and South Korea.
Event Scheduling
Convert event times for international broadcasts, webinars, or sports events between these regions.
Keeping in Touch
Find the best times to call friends, family, or colleagues across these time zones.
Frequently Asked Questions
The time difference between JST and KST is +0 hours. This means that when it's noon (12:00 PM) in JST, it's 12:00 PM in KST.
To convert JST to KST time, keep the same time, as JST and KST have the same UTC offset. You can use our converter at the top of this page for instant and accurate conversions.
JST does not observe DST. KST does not observe DST.
Business hours largely overlap.
Our converter uses standard time zone offsets. For the most accurate conversions during DST transition periods, please verify the exact dates when DST begins or ends in the relevant regions, as these can vary by year and location.