Medellín is 6 hours behind Hamburg
Best overlap: 2:00 PM to 6:00 PM in Hamburg is 8:00 AM to 12:00 PM in Medellín.
The overlap falls at 2:00 PM to 6:00 PM in Hamburg, or 8:00 AM to 12:00 PM if you're in Medellín. Medellín is 6 hours behind Hamburg. That leaves about 4 hours of common time — enough for a meeting or two, so use it deliberately. The window above shifts seasonally: Hamburg keeps daylight saving while Medellín ignores it.