JST to KST Converter
KST has the same time as JST. When it is 9:00 AM in JST, it is 9:00 AM in KST.
For local times that follow daylight saving, use the Tokyo to Seoul converter.
Convert JST to KST
Live- JST3:27 PMThu, Nov 5
- KST3:27 PMThu, Nov 5
Thursday, November 5, 2026
JST to KST time table
| JST | KST |
|---|---|
| 12:00 AM | 12:00 AM |
| 1:00 AM | 1:00 AM |
| 2:00 AM | 2:00 AM |
| 3:00 AM | 3:00 AM |
| 4:00 AM | 4:00 AM |
| 5:00 AM | 5:00 AM |
| 6:00 AM | 6:00 AM |
| 7:00 AM | 7:00 AM |
| 8:00 AM | 8:00 AM |
| 9:00 AM | 9:00 AM |
| 10:00 AM | 10:00 AM |
| 11:00 AM | 11:00 AM |
| 12:00 PM | 12:00 PM |
| 1:00 PM | 1:00 PM |
| 2:00 PM | 2:00 PM |
| 3:00 PM | 3:00 PM |
| 4:00 PM | 4:00 PM |
| 5:00 PM | 5:00 PM |
| 6:00 PM | 6:00 PM |
| 7:00 PM | 7:00 PM |
| 8:00 PM | 8:00 PM |
| 9:00 PM | 9:00 PM |
| 10:00 PM | 10:00 PM |
| 11:00 PM | 11:00 PM |
Best time for a meeting
The best time to meet is 9:00 AM–5:00 PM in JST (9:00 AM–5:00 PM in KST), when both are within 9 AM–5 PM working hours.
Daylight saving changes
JST and KST are fixed UTC offsets, so the difference between them never changes.