Brasília is 5 hours behind Helsinki
Best overlap: 1:00 PM to 6:00 PM in Helsinki is 8:00 AM to 1:00 PM in Brasília.
Your shared working hours run 1:00 PM to 6:00 PM in Helsinki (8:00 AM to 1:00 PM in Brasília). Brasília is 5 hours behind Helsinki. That leaves about 5 hours of common time — enough for a meeting or two, so use it deliberately. The window above shifts seasonally: Helsinki keeps daylight saving while Brasília ignores it.