When it is 12:00 PM in JST, it is 10:00 PM the previous day in Chicago.
📞There is no overlap during standard 9-to-5 business hours, so a call may need to be early or late in the day for one side.
JST is 14 hours ahead of Chicago.
🕐 Subtract 14 hours from JST time to get Chicago time.
JST uses 9 hours ahead of Universal Time (UTC+9) and Chicago uses 5 hours behind Universal Time (UTC-5).
| JST Time | Chicago Time | |
|---|---|---|
| 12 AM JST Time | ↔ | 10 AM Chicago Time |
| 1 AM JST Time | ↔ | 11 AM Chicago Time |
| 2 AM JST Time | ↔ | 12 PM Chicago Time |
| 3 AM JST Time | ↔ | 1 PM Chicago Time |
| 4 AM JST Time | ↔ | 2 PM Chicago Time |
| 5 AM JST Time | ↔ | 3 PM Chicago Time |
| 6 AM JST Time | ↔ | 4 PM Chicago Time |
| 7 AM JST Time | ↔ | 5 PM Chicago Time |
| 8 AM JST Time | ↔ | 6 PM Chicago Time |
| 9 AM JST Time | ↔ | 7 PM Chicago Time |
| 10 AM JST Time | ↔ | 8 PM Chicago Time |
| 11 AM JST Time | ↔ | 9 PM Chicago Time |
| JST Time | Chicago Time | |
|---|---|---|
| 12 PM JST Time | ↔ | 10 PM Chicago Time |
| 1 PM JST Time | ↔ | 11 PM Chicago Time |
| 2 PM JST Time | ↔ | 12 AM Chicago Time |
| 3 PM JST Time | ↔ | 1 AM Chicago Time |
| 4 PM JST Time | ↔ | 2 AM Chicago Time |
| 5 PM JST Time | ↔ | 3 AM Chicago Time |
| 6 PM JST Time | ↔ | 4 AM Chicago Time |
| 7 PM JST Time | ↔ | 5 AM Chicago Time |
| 8 PM JST Time | ↔ | 6 AM Chicago Time |
| 9 PM JST Time | ↔ | 7 AM Chicago Time |
| 10 PM JST Time | ↔ | 8 AM Chicago Time |
| 11 PM JST Time | ↔ | 9 AM Chicago Time |
JST is 14 hours ahead of Chicago.
JST is ahead of Chicago by 14 hours.
It is 7:00 PM the previous day in Chicago.