Time Difference Between Chicago and Brazil

The time difference varies by Brazilian region and season (due to daylight saving):

• São Paulo / Rio de Janeiro: Chicago is 2 hours ahead (standard time) or 3 hours ahead (DST).
• Brasília: Chicago is 3 hours ahead (standard) or 4 hours ahead (DST).
• Manaus (Amazonas): Chicago is 3 hours ahead year-round.

Overall, the difference ranges from 2 to 4 hours depending on location and time of year.