Convert dates and times between Nuku‘alofa (Pacific/Tongatapu) and Chicago (America/Chicago). Handles daylight-saving automatically. Chicago is currently 18 hours behind Nuku‘alofa.
What time is it in Chicago when it's business hours in Nuku‘alofa? The table converts every hour of the day from Nuku‘alofa time to Chicago time. Highlighted rows are working hours (9:00–17:00) in both cities — the best window to schedule a call or meeting.
| Nuku‘alofa | Chicago |
|---|---|
| 0:00 | 6:00 (−1) |
| 1:00 | 7:00 (−1) |
| 2:00 | 8:00 (−1) |
| 3:00 | 9:00 (−1) |
| 4:00 | 10:00 (−1) |
| 5:00 | 11:00 (−1) |
| 6:00 | 12:00 (−1) |
| 7:00 | 13:00 (−1) |
| 8:00 | 14:00 (−1) |
| 9:00 | 15:00 (−1) |
| 10:00 | 16:00 (−1) |
| 11:00 | 17:00 (−1) |
| 12:00 | 18:00 (−1) |
| 13:00 | 19:00 (−1) |
| 14:00 | 20:00 (−1) |
| 15:00 | 21:00 (−1) |
| 16:00 | 22:00 (−1) |
| 17:00 | 23:00 (−1) |
| 18:00 | 0:00 |
| 19:00 | 1:00 |
| 20:00 | 2:00 |
| 21:00 | 3:00 |
| 22:00 | 4:00 |
| 23:00 | 5:00 |
Highlighted: business hours (9:00–17:00) in both cities