Best overlap: 8:00 AM to 11:00 AM in Sydney is 3:00 PM to 6:00 PM in San Francisco.
For a call that suits both sides, look at 8:00 AM to 11:00 AM in Sydney / 3:00 PM to 6:00 PM in San Francisco. With 3 hours of overlap, 8:00 AM in Sydney (3:00 PM in San Francisco) is a comfortable, repeatable slot for both sides. One thing to flag — this overlap crosses the date line, so San Francisco is on the previous day relative to Sydney.
| 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 | ||||||||||||||||||||||||
San Francisco America/Los Angeles |
One in San Francisco, one in London, one in Sydney. Many of the best startups are built this way, and many fail because of it. A practical playbook for co-founder relationships across time zones in the first three years. -
8 AM Tokyo is 4 PM in Los Angeles the day before. West Coast afternoon windows, the East Coast dead zone, and why the Philippines slot is an hour off. -
The Philippines sits 12 to 16 hours ahead of the US and never changes its clocks. Exact overlap windows for every US coast, the tomorrow problem, and a rotation rule that works for product and BPO teams. -