Best overlap: 8:00 AM to 9:00 AM in Auckland is 5:00 PM to 6:00 PM in São Paulo.
Auckland and São Paulo overlap from 8:00 AM to 9:00 AM (Auckland) to the equivalent 5:00 PM to 6:00 PM in São Paulo — that's your meeting window. São Paulo is 15 hours behind Auckland, which leaves a narrow 1-hour window. Treat 8:00 AM in Auckland (5:00 PM in São Paulo) as the time and build around it. Worth a glance at the calendar — São Paulo is on the previous day, so align on the date as well as the time. Note the seasonal wrinkle: when Auckland is on daylight saving and São Paulo isn't, the gap between them grows or shrinks by an hour.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Auckland Pacific/Auckland | ||||||||||||||||||||||||
São Paulo America/Sao Paulo |
Long-distance relationships, parents working overseas, grandkids in Auckland and grandparents in London. The work guides do not really apply. Here is a practical playbook for keeping family relationships strong across time zones. -
Time zone support is off by default on the Mac and buried in Settings on iPhone. Here's how to turn it on, what Time Zone Override actually does, and how to cover the gaps Apple left. -
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. -