Reykjavik is 1 hour behind Milan
Best overlap: 9:00 AM to 6:00 PM in Milan is 8:00 AM to 5:00 PM in Reykjavik.
Keep meetings inside 9:00 AM to 6:00 PM in Milan — that maps to 8:00 AM to 5:00 PM in Reykjavik. With 9 hours of daily overlap, these two cities are an easy pairing; almost any reasonable hour works. Keep an eye on the calendar — Milan observes daylight saving and Reykjavik doesn't, which nudges this window by an hour twice a year.