Sao Paulo zone
GMT-3 (GMT-3)
Chicago zone
CDT (GMT-5)
Difference
2 hours behind Sao Paulo
Business overlap
6h (9-5 windows)
Working hours overlap
Each cell is one hour in Sao Paulo. Filled cells mark when 9 AM – 5 PM in Sao Paulo and Chicago both apply.
6 hours per day
- Sao Paulo
- GMT-3
- Chicago
- GMT-5
- Difference
- -2h
- Business overlap
- 6h
Hour-by-hour conversion
Each row shows the matching local time in Chicago for an hour in Sao Paulo.
| Sao Paulo | Chicago | Day | Window |
|---|---|---|---|
| 12:00 AM | 10:00 PM | previous day | — |
| 1:00 AM | 11:00 PM | previous day | — |
| 2:00 AM | 12:00 AM | same day | — |
| 3:00 AM | 1:00 AM | same day | — |
| 4:00 AM | 2:00 AM | same day | — |
| 5:00 AM | 3:00 AM | same day | — |
| 6:00 AM | 4:00 AM | same day | — |
| 7:00 AM | 5:00 AM | same day | — |
| 8:00 AM | 6:00 AM | same day | — |
| 9:00 AM | 7:00 AM | same day | — |
| 10:00 AM | 8:00 AM | same day | — |
| 11:00 AM | 9:00 AM | same day | Both 9-5 |
| 12:00 PM | 10:00 AM | same day | Both 9-5 |
| 1:00 PM | 11:00 AM | same day | Both 9-5 |
| 2:00 PM | 12:00 PM | same day | Both 9-5 |
| 3:00 PM | 1:00 PM | same day | Both 9-5 |
| 4:00 PM | 2:00 PM | same day | Both 9-5 |
| 5:00 PM | 3:00 PM | same day | — |
| 6:00 PM | 4:00 PM | same day | — |
| 7:00 PM | 5:00 PM | same day | — |
| 8:00 PM | 6:00 PM | same day | — |
| 9:00 PM | 7:00 PM | same day | — |
| 10:00 PM | 8:00 PM | same day | — |
| 11:00 PM | 9:00 PM | same day | — |
Best meeting windows
If both teams keep standard 9 AM – 5 PM hours, the overlap window is roughly 11:00 AM – 5:00 PM in Sao Paulo time. That gives you 6 hours per workday for live meetings.
Tighter overlap is achievable by having the side with later working hours start earlier, or by treating the first and last hours of each side as flexible. The bar above marks every hour where both cities sit inside a 9 AM – 5 PM window.
About converting Sao Paulo time to Chicago time
Sao Paulo follows the America/Sao_Paulo time zone (currently GMT-3, GMT-3), while Chicago follows America/Chicago (currently CDT, GMT-5). Chicago is 2 hours behind Sao Paulo right now.
Chicago observes daylight saving time, while Sao Paulo does not. The offset between the two cities changes by one hour at the daylight saving transitions.
Daylight saving transitions in 2026
Sao Paulo
Does not observe daylight saving time.
Chicago
- Spring forward · Sunday, March 8, 2026
- Fall back · Sunday, November 1, 2026
Reverse this conversion
Chicago to Sao Paulo
Open the converter
Plan a meeting between Sao Paulo and Chicago
More conversions from Sao Paulo
Frequently asked questions
- How many hours is Sao Paulo from Chicago?
- Chicago is 2 hours behind Sao Paulo right now.
- What time is 9:00 AM Sao Paulo in Chicago?
- 9:00 AM in Sao Paulo is 7:00 AM in Chicago.
- What time is 5:00 PM Sao Paulo in Chicago?
- 5:00 PM in Sao Paulo is 3:00 PM in Chicago.
- When do Sao Paulo and Chicago business hours overlap?
- Standard 9 AM - 5 PM working hours overlap for about 6 hours, roughly from 11:00 AM to 5:00 PM in Sao Paulo time.
- Does daylight saving time change the difference between Sao Paulo and Chicago?
- Chicago observes daylight saving time while Sao Paulo does not, so the offset between them changes by one hour twice a year.
Local time page
Time in Sao Paulo
Local time page
Time in Chicago