Sydney to Chicago Time Converter
Australia/Sydney → America/Chicago
:Sydney
19:00Chicago-1 day
UTC+11:00 → UTC-06:00 (-17h)
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24-hour conversion table
| Sydney | Chicago |
|---|---|
| 00:00 | 07:00-1 day |
| 01:00 | 08:00-1 day |
| 02:00 | 09:00-1 day |
| 03:00 | 10:00-1 day |
| 04:00 | 11:00-1 day |
| 05:00 | 12:00-1 day |
| 06:00 | 13:00-1 day |
| 07:00 | 14:00-1 day |
| 08:00 | 15:00-1 day |
| 09:00 | 16:00-1 day |
| 10:00 | 17:00-1 day |
| 11:00 | 18:00-1 day |
| 12:00 | 19:00-1 day |
| 13:00 | 20:00-1 day |
| 14:00 | 21:00-1 day |
| 15:00 | 22:00-1 day |
| 16:00 | 23:00-1 day |
| 17:00 | 00:00 |
| 18:00 | 01:00 |
| 19:00 | 02:00 |
| 20:00 | 03:00 |
| 21:00 | 04:00 |
| 22:00 | 05:00 |
| 23:00 | 06:00 |
Time difference in 2026
- 2026-01-01–2026-03-08: Chicago is 17 h behind Sydney
- 2026-03-08–2026-04-05: Chicago is 16 h behind Sydney
- 2026-04-05–2026-10-04: Chicago is 15 h behind Sydney
- 2026-10-04–2026-11-01: Chicago is 16 h behind Sydney
- 2026-11-01–2026-12-31: Chicago is 17 h behind Sydney
Business hours overlap (09:00–17:00)
Sydney 09:00–10:00 = Chicago 16:00–17:00
About this time difference
In standard time, Chicago is 16 h behind Sydney. Sydney observes daylight saving time; in 2026 the clocks change on April 5 and October 4. Chicago observes daylight saving time; in 2026 the clocks change on March 8 and November 1. As a result, the time difference changes 4 times a year, ranging from 15 h to 17 h.
The two cities compared
| Sydney | Chicago | |
|---|---|---|
| Country | Australia | United States |
| Time zone | Australia/Sydney | America/Chicago |
| Standard time (UTC offset) | UTC+10:00 | UTC-06:00 |
| Daylight saving time | Observed | Observed |
| Population | 5,312,000 | 2,693,000 |
Frequently asked questions
- What is the time difference between Sydney and Chicago?
- January 1–March 8 and November 1–December 31: 17 h; March 8–April 5 and October 4–November 1: 16 h; otherwise: 15 h.
- What time is it in Chicago when it is noon in Sydney?
- January 1–March 8 and November 1–December 31: 19:00 in Chicago (-1 day); March 8–April 5 and October 4–November 1: 20:00 in Chicago (-1 day); otherwise: 21:00 in Chicago (-1 day).
- Do business hours (09:00–17:00) in the two cities overlap?
- Yes. January 1–March 8 and November 1–December 31: 09:00–10:00 in Sydney (16:00–17:00 in Chicago); March 8–April 5 and October 4–November 1: No overlap; otherwise: No overlap.
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