São Paulo is typically 2 hours ahead of Miami. When it's 2:00 PM in São Paulo, it's 12:00 PM (noon) in Miami. Miami observes daylight saving time, but Brazil no longer does.
During US daylight saving time (March to November), the difference is 1 hour. During US standard time (November to March), the difference increases to 2 hours.
Excellent business hour overlap! 9:00 AM - 5:00 PM Miami corresponds to 10:00 AM - 6:00 PM São Paulo (US DST) or 11:00 AM - 7:00 PM (US standard time). Almost full overlap.
Miami serves as the primary US gateway to South America. The 8-hour flight to São Paulo is operated multiple times daily, and Miami has a large Brazilian community. Trade and tourism between these cities is extensive.