Johannesburg is 5 hours ahead of Brasília
Best overlap: 8:00 AM to 1:00 PM in Brasília is 1:00 PM to 6:00 PM in Johannesburg.
Target 8:00 AM to 1:00 PM in Brasília, which lands at 1:00 PM to 6:00 PM for the Johannesburg side. With 5 hours to play with, a mid-window meeting keeps things balanced for Brasília and Johannesburg alike.