Best overlap: 5:00 PM to 6:00 PM in Tokyo is 8:00 AM to 9:00 AM in Edinburgh.
The overlap falls at 5:00 PM to 6:00 PM in Tokyo, or 8:00 AM to 9:00 AM if you're in Edinburgh. There's roughly 1 hour to share, so keep agendas lean and meet at 5:00 PM in Tokyo (8:00 AM in Edinburgh) to use every minute. The window above shifts seasonally: Edinburgh keeps daylight saving while Tokyo ignores it.
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. -