There is no standard 8-to-6 overlap. Someone joins early or late.
Because Shanghai is 13 hours ahead of Medellín, the two offices are essentially never open at the same time. If a live call is essential, aim for the very start or very end of a workday in one city and accept it'll be off-hours for the other.
What is the time difference between Shanghai and Medellín?
Medellín is 13 hours behind Shanghai.
What are the best overlapping working hours between Shanghai and Medellín?
Unfortunately, there are no standard overlapping working hours (8 AM to 6 PM) between Shanghai and Medellín. You will likely need to schedule meetings outside of regular office hours.
How many hours overlap between Shanghai and Medellín 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 Shanghai and Medellín?
Neither Shanghai nor Medellín observes Daylight Saving Time, so the time difference remains consistent year-round.