Milan is 5 hours ahead of São Paulo
Best overlap: 8:00 AM to 1:00 PM in São Paulo is 1:00 PM to 6:00 PM in Milan.
The overlap falls at 8:00 AM to 1:00 PM in São Paulo, or 1:00 PM to 6:00 PM if you're in Milan. Milan is 5 hours ahead of São Paulo. That leaves about 5 hours of common time — enough for a meeting or two, so use it deliberately. Just remember Milan changes its clocks for daylight saving and São Paulo doesn't, so confirm the overlap whenever the seasons turn.