Best overlap: 4:00 PM to 6:00 PM in San Francisco is 8:00 AM to 10:00 AM in Tokyo.
Keep meetings inside 4:00 PM to 6:00 PM in San Francisco — that maps to 8:00 AM to 10:00 AM in Tokyo. With overlap this short — around 2 hours — a recurring slot at 4:00 PM in San Francisco (8:00 AM in Tokyo) is worth its weight in gold. This window straddles two dates — San Francisco's today is Tokyo's the next day. These times hold for most of the year, but San Francisco's daylight saving (which Tokyo 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
San Francisco America/Los Angeles | ||||||||||||||||||||||||
Tokyo Asia/Tokyo |
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