There is no standard 8-to-6 overlap. Someone joins early or late.
There's no shared 9-to-5 between Hanoi and Medellín; at 12 hours apart, one city's workday is the other's evening or night. Your best bet is one team taking an early-morning or late-evening call — alternating who stretches keeps it fair over time.
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.