Shenzhen is 11 hours ahead of Santiago
There is no standard 8-to-6 overlap. Someone joins early or late.
The 11-hour difference means Santiago and Shenzhen miss each other entirely during regular office hours. Where you can, lean on async updates and save live calls for when one team is happy to start early or stay late. Daylight saving complicates things slightly: Santiago observes it, Shenzhen doesn't, so the difference flexes by an hour part of the year.