When it is 12:00 PM in Colombo, it is 1:30 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.
Colombo is 10 hours 30 minutes ahead of Chicago.
🕐 Subtract 10 hours 30 minutes from Colombo time to get Chicago time.
Colombo uses 5 hours 30 minutes ahead of Universal Time (UTC+5) and Chicago uses 5 hours behind Universal Time (UTC-5).
| Colombo Time | Chicago Time | |
|---|---|---|
| 12 AM Colombo Time | ↔ | ☼ 1 PM Chicago Time |
| 1 AM Colombo Time | ↔ | ☼ 2 PM Chicago Time |
| 2 AM Colombo Time | ↔ | ☼ 3 PM Chicago Time |
| 3 AM Colombo Time | ↔ | ☼ 4 PM Chicago Time |
| 4 AM Colombo Time | ↔ | ☼ 5 PM Chicago Time |
| ☼ 5 AM Colombo Time | ↔ | ☼ 6 PM Chicago Time |
| ☼ 6 AM Colombo Time | ↔ | ☼ 7 PM Chicago Time |
| ☼ 7 AM Colombo Time | ↔ | ☼ 8 PM Chicago Time |
| ☼ 8 AM Colombo Time | ↔ | 9 PM Chicago Time |
| ☼ 9 AM Colombo Time | ↔ | 10 PM Chicago Time |
| ☼ 10 AM Colombo Time | ↔ | 11 PM Chicago Time |
| ☼ 11 AM Colombo Time | ↔ | 12 AM Chicago Time |
| Colombo Time | Chicago Time | |
|---|---|---|
| ☼ 12 PM Colombo Time | ↔ | 1 AM Chicago Time |
| ☼ 1 PM Colombo Time | ↔ | 2 AM Chicago Time |
| ☼ 2 PM Colombo Time | ↔ | 3 AM Chicago Time |
| ☼ 3 PM Colombo Time | ↔ | 4 AM Chicago Time |
| ☼ 4 PM Colombo Time | ↔ | ☼ 5 AM Chicago Time |
| ☼ 5 PM Colombo Time | ↔ | ☼ 6 AM Chicago Time |
| ☼ 6 PM Colombo Time | ↔ | ☼ 7 AM Chicago Time |
| 7 PM Colombo Time | ↔ | ☼ 8 AM Chicago Time |
| 8 PM Colombo Time | ↔ | ☼ 9 AM Chicago Time |
| 9 PM Colombo Time | ↔ | ☼ 10 AM Chicago Time |
| 10 PM Colombo Time | ↔ | ☼ 11 AM Chicago Time |
| 11 PM Colombo Time | ↔ | ☼ 12 PM Chicago Time |
Colombo is 10 hours 30 minutes ahead of Chicago.
Colombo is ahead of Chicago by 10 hours 30 minutes.
It is 10:30 PM the previous day in Chicago.