There is no standard 8-to-6 overlap. Someone joins early or late.
For Perth and Calgary, the standard workday in one city falls outside office hours in the other — that's what 14 hours of distance does. Keep live syncs short and infrequent, and let written updates carry the day-to-day between Perth and Calgary. The window above shifts seasonally: Calgary keeps daylight saving while Perth 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Perth Australia/Perth | ||||||||||||||||||||||||
Calgary America/Edmonton |
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. -