Time in CST and JST
The time difference between Central Standard Time (CST) and Japan Standard Time (JST) is 15 hours. Japan Standard Time is 15 hours ahead of Central Standard Time.
This means 9am CST is 12am JST (next day) and 5pm CST is 8am JST (next day).
Central Standard Time
- The current local time in CST is 7:19 pm (July 3, 2026)
- CST time zone offset is UTC-06:00
Japan Standard Time
- The current local time in JST is 10:19 pm (July 3, 2026)
- JST time zone offset is UTC+09:00
How to convert Central Standard Time to Japan Standard Time?
Add 15 hours to Central Standard Time to get Japan Standard Time.
Time in CST
00:00
Time in JST
00:00
Use the slider above to convert Central Standard Time to Japan Standard Time and view the day and night map at different times.
Day–night colors on the map:
Day
Civil twilight
Nautical twilight
Astronomical twilight
NightTime Conversion Chart
| CST | JST |
|---|---|
| 12am | 3pm |
| 1am | 4pm |
| 2am | 5pm |
| 3am | 6pm |
| 4am | 7pm |
| 5am | 8pm |
| 6am | 9pm |
| 7am | 10pm |
| 8am | 11pm |
| 9am | 12am |
| 10am | 1am |
| 11am | 2am |
| 12pm | 3am |
| 1pm | 4am |
| 2pm | 5am |
| 3pm | 6am |
| 4pm | 7am |
| 5pm | 8am |
| 6pm | 9am |
| 7pm | 10am |
| 8pm | 11am |
| 9pm | 12pm |
| 10pm | 1pm |
| 11pm | 2pm |