Santiago is 11 hours behind Shenzhen
There is no standard 8-to-6 overlap. Someone joins early or late.
Santiago is 11 hours behind Shenzhen, which is far enough that a normal 9-to-5 in one city never reaches the other's working hours. One practical option: Santiago dials in early while it's still late afternoon or evening in Shenzhen. Finally, Santiago observes daylight saving and Shenzhen doesn't, so this window shifts by an hour for part of the year — recheck it each spring and autumn.