KST to JST Converter
JST is in the same time zone as KST
KST to JST Conversion Table
Green rows indicate standard business hours (9 AM – 5 PM) in JST
| KST | JST |
|---|---|
| 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 |
Converting Korea Standard Time to Japan Standard Time
Korea Standard Time (KST) and Japan Standard Time (JST) are separated by a 0 hours time difference. JST is 0 hours the same as KST. KST is UTC+9, used in South Korea, while JST is UTC+9, used in Japan.
When converting from KST to JST, the key reference points to remember are: 9:00 AM KST equals 9:00 AM JST, 12:00 PM noon KST equals 12:00 PM JST, and 5:00 PM KST equals 5:00 PM JST. The conversion table above shows every hour of the day mapped between these two time zones.
Scheduling Across KST and JST
For professionals scheduling meetings between KST and JST, finding overlapping business hours is essential. Standard business hours are typically 9:00 AM to 5:00 PM in each time zone. Given the 0 hours difference, the window of overlap may be limited. Use the highlighted working hours in the conversion table above to quickly identify suitable meeting times.
Daylight Saving Time Considerations
KST does not observe Daylight Saving Time, maintaining UTC+9 year-round. JST does not observe DST, staying at UTC+9 year-round.