Best overlap: 11:00 AM to 6:00 PM in San Francisco is 8:00 AM to 3:00 PM in Honolulu.
Target 11:00 AM to 6:00 PM in San Francisco, which lands at 8:00 AM to 3:00 PM for the Honolulu side. The overlap is wide at 7 hours, so you can protect mornings for deep work and still find plenty of meeting time. Don't be caught out by clock changes — San Francisco observes daylight saving and Honolulu doesn't, so the offset varies by an hour through the year.
| 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 | ||||||||||||||||||||||||
Honolulu Pacific/Honolulu |
An 8 AM Pacific launch is 5 PM in London and 1 AM in Sydney. Your blog post, your engineering on-call, your support team, and your Twitter schedule are all picking different hours. Here is how to plan a launch that does not embarrass you in any time zone. -
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. -
London to New York is five hours apart, except for the five weeks a year when it isn't. Exact overlap windows for every US zone, the 2026 DST mismatch dates, and where to put the recurring sync. -