Best overlap: 10:00 AM to 6:00 PM in Sydney is 8:00 AM to 4:00 PM in Hong Kong.
The sweet spot is 10:00 AM to 6:00 PM Sydney time, matching 8:00 AM to 4:00 PM in Hong Kong. Hong Kong is 2 hours behind Sydney, and with 8 hours of overlap you can even run back-to-back calls without stepping outside business hours. Just remember Sydney changes its clocks for daylight saving and Hong Kong doesn't, so confirm the overlap whenever the seasons turn.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Sydney Australia/Sydney | ||||||||||||||||||||||||
Hong Kong Asia/Hong Kong |
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