Brasília is 6 hours behind Nairobi
Best overlap: 2:00 PM to 6:00 PM in Nairobi is 8:00 AM to 12:00 PM in Brasília.
Shoot for 2:00 PM to 6:00 PM in Nairobi; your Brasília colleagues will see that as 8:00 AM to 12:00 PM. With 4 hours to play with, a mid-window meeting keeps things balanced for Nairobi and Brasília alike.