iformat.io Logo iformat.io

Convert JST to KST Time - Free Time Zone Converter

Convert Japan Standard Time (JST) to Korea Standard Time (KST, UTC+9) for regional business calls. Free converter with real-time conversion, meeting time planner, and business hours comparison for Tokyo to Seoul coordination. Includes 24-hour conversion table and live time displays. Perfect for international scheduling and global team collaboration. Works on all devices with accurate, reliable results.

🌍
JST
Japan Standard Time
Current Time
Loading...
🕐
KST
Korea Standard Time
Current Time
Loading...
Converted Time
Select a time to convert
Time Difference
-
Your Local Time
Loading...
UTC Time
Loading...

JST to KST Time Zone Difference

Japan Standard Time and Korea Standard Time are in the same time zone

Always up-to-date and accurate

24-Hour JST to KST Conversion Chart

Complete hourly conversion for Japan Standard Time to Korea Standard Time

12:00 AM
JST
12:00 AM
KST
00:00 00:00
1:00 AM
JST
1:00 AM
KST
01:00 01:00
2:00 AM
JST
2:00 AM
KST
02:00 02:00
3:00 AM
JST
3:00 AM
KST
03:00 03:00
4:00 AM
JST
4:00 AM
KST
04:00 04:00
5:00 AM
JST
5:00 AM
KST
05:00 05:00
6:00 AM
JST
6:00 AM
KST
06:00 06:00
7:00 AM
JST
7:00 AM
KST
07:00 07:00
8:00 AM
JST
8:00 AM
KST
08:00 08:00
9:00 AM
JST
9:00 AM
KST
09:00 09:00
10:00 AM
JST
10:00 AM
KST
10:00 10:00
11:00 AM
JST
11:00 AM
KST
11:00 11:00
12:00 PM
JST
12:00 PM
KST
12:00 12:00
1:00 PM
JST
1:00 PM
KST
13:00 13:00
2:00 PM
JST
2:00 PM
KST
14:00 14:00
3:00 PM
JST
3:00 PM
KST
15:00 15:00
4:00 PM
JST
4:00 PM
KST
16:00 16:00
5:00 PM
JST
5:00 PM
KST
17:00 17:00
6:00 PM
JST
6:00 PM
KST
18:00 18:00
7:00 PM
JST
7:00 PM
KST
19:00 19:00
8:00 PM
JST
8:00 PM
KST
20:00 20:00
9:00 PM
JST
9:00 PM
KST
21:00 21:00
10:00 PM
JST
10:00 PM
KST
22:00 22:00
11:00 PM
JST
11:00 PM
KST
23:00 23:00

Best Meeting Times between Japan Standard Time and Korea Standard Time

Optimal hours for calls between JST and KST

Business hours overlap available
9:00 AM JST → 9:00 AM KST
Business Hours
10:00 AM JST → 10:00 AM KST
Business Hours
11:00 AM JST → 11:00 AM KST
Business Hours

Based on standard business hours (9:00 AM - 6:00 PM) in each time zone

Time Zone Details

Technical information for both time zones

JST

Japan Standard Time

Source timezone

UTC Offset 9.0 hours
Abbreviation JST
Type Standard Time
Status Active
KST

Korea Standard Time

Target timezone

UTC Offset 9.0 hours
Abbreviation KST
Type Standard Time
Status Active

Convert JST to other time zones

Popular
Convert JST to ACDT Time - Free Time Zone Converter
Popular
Convert JST to ACST Time - Free Time Zone Converter
Popular
Convert JST to ACT Time - Free Time Zone Converter
Popular
Convert JST to ACWST Time - Free Time Zone Converter
Popular
Convert JST to ADT Time - Free Time Zone Converter
Popular
Convert JST to AEDT Time - Free Time Zone Converter
Popular
Convert JST to AEST Time - Tokyo to Sydney Converter
Popular
Convert JST to AFT Time - Free Time Zone Converter
Popular
Convert JST to AKDT Time - Free Time Zone Converter
Popular
Convert JST to AKST Time - Free Time Zone Converter
Popular
Convert JST to ALMT Time - Free Time Zone Converter
Popular
Convert JST to AMST Time - Free Time Zone Converter
Popular
Convert JST to AMT Time - Free Time Zone Converter
Popular
Convert JST to ANAST Time - Free Time Zone Converter
Popular
Convert JST to ANAT Time - Free Time Zone Converter