There is no standard 8-to-6 overlap. Someone joins early or late.
Given Austin is 10.5 hours behind Chennai, the realistic answer is that there's no convenient shared slot during normal business hours. Catch the edges of the day: the last hour for Chennai or the first hour for Austin is usually the least painful option. The window above shifts seasonally: Austin keeps daylight saving while Chennai ignores it.
| Local time | 12am | 1am | 2am | 3am | 4am | 5am | 6am | 7am | 8am | 9am | 10am | 11am | 12pm | 1pm | 2pm | 3pm | 4pm | 5pm | 6pm | 7pm | 8pm | 9pm | 10pm | 11pm |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Chennai Asia/Kolkata | ||||||||||||||||||||||||
Austin America/Chicago |
24/7 support sounds great until a P1 ticket falls into the gap between Manila signing off and Dublin signing on. Here is how to design a follow-the-sun support model that actually catches tickets at the boundary. -