Best overlap: 5:00 PM to 6:00 PM in Auckland is 8:30 AM to 9:30 AM in Tehran.
For a call that suits both sides, look at 5:00 PM to 6:00 PM in Auckland / 8:30 AM to 9:30 AM in Tehran. With overlap this short — around 1 hour — a recurring slot at 5:00 PM in Auckland (8:30 AM in Tehran) is worth its weight in gold. These times hold for most of the year, but Auckland's daylight saving (which Tehran 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Auckland Pacific/Auckland | ||||||||||||||||||||||||
Tehran Asia/Tehran |
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