Best overlap: 8:00 AM to 12:00 PM in Chicago is 2:00 PM to 6:00 PM in Edinburgh.
Both teams are at their desks between 8:00 AM to 12:00 PM in Chicago and 2:00 PM to 6:00 PM in Edinburgh. The overlap sits at about 4 hours; aim for the heart of it so the call isn't too early for one team or too late for the other.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Chicago America/Chicago | ||||||||||||||||||||||||
Edinburgh Europe/London |
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. -
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. -