Best overlap: 9:00 AM to 6:00 PM in Prague is 8:00 AM to 5:00 PM in Edinburgh.
The overlap falls at 9:00 AM to 6:00 PM in Prague, or 8:00 AM to 5:00 PM if you're in Edinburgh. Edinburgh is 1 hour behind Prague, and with 9 hours of overlap you can even run back-to-back calls without stepping outside business hours.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Prague Europe/Prague | ||||||||||||||||||||||||
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. -