There is no standard 8-to-6 overlap. Someone joins early or late.
Austin and Dhaka are 11 hours apart, and that gap is wide enough that their normal 9-to-5 workdays never quite touch. If you meet regularly, fix one off-hours slot and rotate it between Austin and Dhaka so the burden doesn't fall on one team. Finally, Austin observes daylight saving and Dhaka doesn't, so this window shifts by an hour for part of the year — recheck it each spring and autumn.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Austin America/Chicago | ||||||||||||||||||||||||
Dhaka Asia/Dhaka |
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. -