When it is 12:00 PM in GST, it is 3:00 AM 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.
GST is 9 hours ahead of Chicago.
🕐 Subtract 9 hours from GST time to get Chicago time.
GST uses 4 hours ahead of Universal Time (UTC+4) and Chicago uses 5 hours behind Universal Time (UTC-5).
| GST Time | Chicago Time | |
|---|---|---|
| 12 AM GST Time | ↔ | 3 PM Chicago Time |
| 1 AM GST Time | ↔ | 4 PM Chicago Time |
| 2 AM GST Time | ↔ | 5 PM Chicago Time |
| 3 AM GST Time | ↔ | 6 PM Chicago Time |
| 4 AM GST Time | ↔ | 7 PM Chicago Time |
| 5 AM GST Time | ↔ | 8 PM Chicago Time |
| 6 AM GST Time | ↔ | 9 PM Chicago Time |
| 7 AM GST Time | ↔ | 10 PM Chicago Time |
| 8 AM GST Time | ↔ | 11 PM Chicago Time |
| 9 AM GST Time | ↔ | 12 AM Chicago Time |
| 10 AM GST Time | ↔ | 1 AM Chicago Time |
| 11 AM GST Time | ↔ | 2 AM Chicago Time |
| GST Time | Chicago Time | |
|---|---|---|
| 12 PM GST Time | ↔ | 3 AM Chicago Time |
| 1 PM GST Time | ↔ | 4 AM Chicago Time |
| 2 PM GST Time | ↔ | 5 AM Chicago Time |
| 3 PM GST Time | ↔ | 6 AM Chicago Time |
| 4 PM GST Time | ↔ | 7 AM Chicago Time |
| 5 PM GST Time | ↔ | 8 AM Chicago Time |
| 6 PM GST Time | ↔ | 9 AM Chicago Time |
| 7 PM GST Time | ↔ | 10 AM Chicago Time |
| 8 PM GST Time | ↔ | 11 AM Chicago Time |
| 9 PM GST Time | ↔ | 12 PM Chicago Time |
| 10 PM GST Time | ↔ | 1 PM Chicago Time |
| 11 PM GST Time | ↔ | 2 PM Chicago Time |
GST is 9 hours ahead of Chicago.
GST is ahead of Chicago by 9 hours.
It is 12:00 AM in Chicago.