Warsaw is 6 hours ahead of Medellín
Best overlap: 8:00 AM to 12:00 PM in Medellín is 2:00 PM to 6:00 PM in Warsaw.
If you set up a recurring sync, 8:00 AM to 12:00 PM in Medellín (2:00 PM to 6:00 PM in Warsaw) is the natural home for it. Warsaw is 6 hours ahead of Medellín, leaving about 4 hours of daily overlap — enough for most meetings if you don't leave them too late in the day. Keep an eye on the calendar — Warsaw observes daylight saving and Medellín doesn't, which nudges this window by an hour twice a year.