Brasília is 2 hours ahead of Medellín
Best overlap: 8:00 AM to 4:00 PM in Medellín is 10:00 AM to 6:00 PM in Brasília.
Aim for 8:00 AM to 4:00 PM Medellín time — that's 10:00 AM to 6:00 PM over in Brasília. Brasília is 2 hours ahead of Medellín, but you still share a generous 8 hours of overlap, so scheduling is easy and there's room to move a meeting when you need to.