There is no standard 8-to-6 overlap. Someone joins early or late.
Perth is 13 hours ahead of Austin, which is far enough that a normal 9-to-5 in one city never reaches the other's working hours. One practical option: Austin dials in early while it's still late afternoon or evening in Perth. These times hold for most of the year, but Austin's daylight saving (which Perth doesn't use) shifts them by an hour twice annually.
| 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 | ||||||||||||||||||||||||
Perth Australia/Perth |
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. -
The US to Australia gap runs 14 to 19 hours depending on the month, and someone is always in tomorrow. Exact overlap windows for every US coast, the double-DST trap, and a rotation rule that keeps it fair. -