Choose a Time
Enter the time you want to convert from KST.
KST to JST Converter
Convert Korea Standard Time (KST) to Japan Standard Time (JST) and compare the time difference between the two time zones.
Local: Wed, Sep 9, 2026 00:00 PM
KST
Korea Standard Time
12:54:32 pm
Sun, Sep 20, 2026
Reference Time Zone
UTC+9
JST
Japan Standard Time
12:54:32 pm
Sun, Sep 20, 2026
Same time
UTC+9
KST to JST Time Difference
KST and JST have the same UTC offset on this date.
KST to JST Conversion Table
Use this table as a quick reference when converting common times from KST to JST.
| KST | JST |
|---|---|
| 12:00 AM | 12:00 AM |
| 3:00 AM | 3:00 AM |
| 6:00 AM | 6:00 AM |
| 9:00 AM | 9:00 AM |
| 12:00 PM | 12:00 PM |
| 3:00 PM | 3:00 PM |
| 6:00 PM | 6:00 PM |
| 9:00 PM | 9:00 PM |
About Korea Standard Time (KST)
Korea Standard Time (KST) is nine hours ahead of Coordinated Universal Time, UTC+9.
- Abbreviation
- KST
- UTC Offset
- UTC+9
- Region
- South Korea
About Japan Standard Time (JST)
Japan Standard Time (JST) is nine hours ahead of Coordinated Universal Time, UTC+9.
- Abbreviation
- JST
- UTC Offset
- UTC+9
- Region
- Japan
How to Convert KST to JST
Compare the Zones
The converter calculates the corresponding time in JST.
Check the Date
Remember that a conversion can move the result to the previous or next calendar day.