Milan is 7 hours behind Shenzhen
Best overlap: 3:00 PM to 6:00 PM in Shenzhen is 8:00 AM to 11:00 AM in Milan.
The sweet spot is 3:00 PM to 6:00 PM Shenzhen time, matching 8:00 AM to 11:00 AM in Milan. You get roughly 3 hours of shared time, so aim for the middle of that window to keep the call comfortable for both teams. Watch the DST gap — when Milan changes its clocks and Shenzhen stays the same, this window slides by an hour.