Best overlap: 8:00 AM to 10:00 AM in Barcelona is 4:00 PM to 6:00 PM in Brisbane.
Aim for 8:00 AM to 10:00 AM Barcelona time — that's 4:00 PM to 6:00 PM over in Brisbane. With about 2 hours of common time, this pairing rewards planning — 8:00 AM in Barcelona / 4:00 PM in Brisbane is the slot to defend. These times hold for most of the year, but Barcelona's daylight saving (which Brisbane 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Barcelona Europe/Madrid | ||||||||||||||||||||||||
Brisbane Australia/Brisbane |
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. -