Time Difference Between Chicago and São Paulo
São Paulo is 3h ahead of Chicago in standard time, and 2h ahead while Chicago is on daylight saving time.
Chicago clocks move forward on the second Sunday of March and back on the first Sunday of November. São Paulo keeps the same clock all year. The figures above cover each part of the year. They do not come from the offset on the day the site was built. The live clocks use the current time.
Working Hours Overlap
For each hour of Chicago's working day (9:00-18:00), here is the corresponding local time in São Paulo. Rows highlighted green fall within standard working hours (9:00-18:00) in both cities. Each block is one part of the year, so the table does not change with the day this page was built.
3h ahead (standard time)
| Chicago | São Paulo | Both working hours? |
|---|---|---|
| 9 AM | 12 PM | Yes |
| 10 AM | 1 PM | Yes |
| 11 AM | 2 PM | Yes |
| 12 PM | 3 PM | Yes |
| 1 PM | 4 PM | Yes |
| 2 PM | 5 PM | Yes |
| 3 PM | 6 PM | No |
| 4 PM | 7 PM | No |
| 5 PM | 8 PM | No |
| 6 PM | 9 PM | No |
2h ahead (daylight saving time in Chicago, while São Paulo is on standard time)
| Chicago | São Paulo | Both working hours? |
|---|---|---|
| 9 AM | 11 AM | Yes |
| 10 AM | 12 PM | Yes |
| 11 AM | 1 PM | Yes |
| 12 PM | 2 PM | Yes |
| 1 PM | 3 PM | Yes |
| 2 PM | 4 PM | Yes |
| 3 PM | 5 PM | Yes |
| 4 PM | 6 PM | No |
| 5 PM | 7 PM | No |
| 6 PM | 8 PM | No |
Best Time to Meet
3h ahead (standard time)
- 9 AM-3 PM in Chicago (12 PM-6 PM in São Paulo) works for both sides. It falls within 9 AM-6 PM in both time zones.
2h ahead (daylight saving time in Chicago, while São Paulo is on standard time)
- 9 AM-4 PM in Chicago (11 AM-6 PM in São Paulo) works for both sides. It falls within 9 AM-6 PM in both time zones.
How the Difference Changes
Only Chicago changes its clocks, so the gap is not one number. The rules are above. The dates for the year you are reading this page load below.
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Chicago
Chicago uses the America/Chicago time zone. Standard time is UTC-6, and daylight saving time is UTC-5.
São Paulo
São Paulo uses the America/Sao_Paulo time zone, at UTC-3 all year. This zone does not observe daylight saving time.