There is no standard 8-to-6 overlap. Someone joins early or late.
Given Brasília is 11 hours behind Shenzhen, the realistic answer is that there's no convenient shared slot during normal business hours. Catch the edges of the day: the last hour for Shenzhen or the first hour for Brasília is usually the least painful option.
What is the time difference between Brasília and Shenzhen?
Shenzhen is 11 hours ahead of Brasília.
What are the best overlapping working hours between Brasília and Shenzhen?
Unfortunately, there are no standard overlapping working hours (8 AM to 6 PM) between Brasília and Shenzhen. You will likely need to schedule meetings outside of regular office hours.
How many hours overlap between Brasília and Shenzhen during a typical workday?
Unfortunately, there are no overlapping work hours. Someone will usually need to join earlier or later than a normal workday.
Does Daylight Saving Time affect the time difference between Brasília and Shenzhen?
Neither Brasília nor Shenzhen observes Daylight Saving Time, so the time difference remains consistent year-round.