Stockholm is 5 hours ahead of Rio de Janeiro
Best overlap: 8:00 AM to 1:00 PM in Rio de Janeiro is 1:00 PM to 6:00 PM in Stockholm.
Shoot for 8:00 AM to 1:00 PM in Rio de Janeiro; your Stockholm colleagues will see that as 1:00 PM to 6:00 PM. Stockholm is 5 hours ahead of Rio de Janeiro, so the practical overlap is about 5 hours — generous enough for meetings, tight enough to be worth booking ahead. Seasonal note: Stockholm uses daylight saving and Rio de Janeiro doesn't, so double-check the times in your own months — they can move by an hour.