Brasília is 4 hours behind Oslo
Best overlap: 12:00 PM to 6:00 PM in Oslo is 8:00 AM to 2:00 PM in Brasília.
Oslo and Brasília overlap from 12:00 PM to 6:00 PM (Oslo) to the equivalent 8:00 AM to 2:00 PM in Brasília — that's your meeting window. Brasília is 4 hours behind Oslo, yet you get a full 6 hours of shared hours — enough to schedule around lunches, focus time, and preferences with ease. One seasonal catch: Oslo springs forward and falls back, but Brasília doesn't, so the gap changes by an hour for several months of the year.