Moscow is 8 hours ahead of Medellín
Best overlap: 8:00 AM to 10:00 AM in Medellín is 4:00 PM to 6:00 PM in Moscow.
The best time to meet is 8:00 AM to 10:00 AM in Medellín, which is 4:00 PM to 6:00 PM in Moscow. Moscow is 8 hours ahead of Medellín, which leaves a narrow 2-hour window. Treat 8:00 AM in Medellín (4:00 PM in Moscow) as the time and build around it.