Most of the year, São Paulo is 2 hours ahead of Chicago. During Jan 1–Mar 7, Nov 1–Dec 31, São Paulo is 3 hours ahead of Chicago.
| Chicago | São Paulo Most of the year | São Paulo Jan 1–Mar 7, Nov 1–Dec 31 |
|---|---|---|
| 12 AM | 2 AM | 3 AM |
| 1 AM | 3 AM | 4 AM |
| 2 AM | 4 AM | 5 AM |
| 3 AM | 5 AM | 6 AM |
| 4 AM | 6 AM | 7 AM |
| 5 AM | 7 AM | 8 AM |
| 6 AM | 8 AM | 9 AM |
| 7 AM | 9 AM | 10 AM |
| 8 AM | 10 AM | 11 AM |
| 9 AM | 11 AM | 12 PM |
| 10 AM | 12 PM | 1 PM |
| 11 AM | 1 PM | 2 PM |
| 12 PM | 2 PM | 3 PM |
| 1 PM | 3 PM | 4 PM |
| 2 PM | 4 PM | 5 PM |
| 3 PM | 5 PM | 6 PM |
| 4 PM | 6 PM | 7 PM |
| 5 PM | 7 PM | 8 PM |
| 6 PM | 8 PM | 9 PM |
| 7 PM | 9 PM | 10 PM |
| 8 PM | 10 PM | 11 PM |
| 9 PM | 11 PM | 12 AMnext day |
| 10 PM | 12 AMnext day | 1 AMnext day |
| 11 PM | 1 AMnext day | 2 AMnext day |
Chicago observes daylight saving time from Mar 8, 2026 to Nov 1, 2026, when clocks move forward one hour.
São Paulo does not observe daylight saving time (DST), so its offset stays the same all year.
Most of the year, São Paulo is 2 hours ahead of Chicago. During Jan 1–Mar 7, Nov 1–Dec 31, São Paulo is 3 hours ahead of Chicago.
Chicago observes daylight saving time from Mar 8, 2026 to Nov 1, 2026, when clocks move forward one hour. São Paulo does not observe daylight saving time (DST), so its offset stays the same all year.
Most of the year: Both cities are in business hours at Chicago 9 AM–4 PM (São Paulo 11 AM–6 PM). Jan 1–Mar 7, Nov 1–Dec 31: Both cities are in business hours at Chicago 9 AM–3 PM (São Paulo 12 PM–6 PM).