There is no standard 8-to-6 overlap. Someone joins early or late.
Hanoi is 12 hours ahead of Medellín, which is far enough that a normal 9-to-5 in one city never reaches the other's working hours. One practical option: Medellín dials in early while it's still late afternoon or evening in Hanoi.
What is the time difference between Hanoi and Medellín?
Medellín is 12 hours behind Hanoi.
What are the best overlapping working hours between Hanoi and Medellín?
Unfortunately, there are no standard overlapping working hours (8 AM to 6 PM) between Hanoi and Medellín. You will likely need to schedule meetings outside of regular office hours.
How many hours overlap between Hanoi 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 Hanoi and Medellín?
Neither Hanoi nor Medellín observes Daylight Saving Time, so the time difference remains consistent year-round.