Convert dates and times between Ulan Bator (Asia/Ulaanbaatar) and Chicago (America/Chicago). Handles daylight-saving automatically. Chicago is currently 13 hours behind Ulan Bator.
What time is it in Chicago when it's business hours in Ulan Bator? The table converts every hour of the day from Ulan Bator 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.
| Ulan Bator | Chicago |
|---|---|
| 0:00 | 11:00 (−1) |
| 1:00 | 12:00 (−1) |
| 2:00 | 13:00 (−1) |
| 3:00 | 14:00 (−1) |
| 4:00 | 15:00 (−1) |
| 5:00 | 16:00 (−1) |
| 6:00 | 17:00 (−1) |
| 7:00 | 18:00 (−1) |
| 8:00 | 19:00 (−1) |
| 9:00 | 20:00 (−1) |
| 10:00 | 21:00 (−1) |
| 11:00 | 22:00 (−1) |
| 12:00 | 23:00 (−1) |
| 13:00 | 0:00 |
| 14:00 | 1:00 |
| 15:00 | 2:00 |
| 16:00 | 3:00 |
| 17:00 | 4:00 |
| 18:00 | 5:00 |
| 19:00 | 6:00 |
| 20:00 | 7:00 |
| 21:00 | 8:00 |
| 22:00 | 9:00 |
| 23:00 | 10:00 |
Highlighted: business hours (9:00–17:00) in both cities