Brasília is 3 hours ahead of Mexico City
Best overlap: 8:00 AM to 3:00 PM in Mexico City is 11:00 AM to 6:00 PM in Brasília.
The hours that work for both Mexico City and Brasília are 8:00 AM to 3:00 PM (Mexico City) and 11:00 AM to 6:00 PM (Brasília). You won't be short on options — 7 hours of overlap leaves space for recurring syncs and ad-hoc calls alike.