Milan is 3.5 hours behind Chennai
Best overlap: 11:30 AM to 6:30 PM in Chennai is 8:00 AM to 3:00 PM in Milan.
Shoot for 11:30 AM to 6:30 PM in Chennai; your Milan colleagues will see that as 8:00 AM to 3:00 PM. This is one of the easier pairings: 7 hours of shared time means flexible, low-stress scheduling. For part of the year the maths changes: Milan observes daylight saving, Chennai does not, shifting the overlap by an hour.