Best overlap: 8:00 AM to 3:00 PM in Edinburgh is 11:00 AM to 6:00 PM in Riyadh.
If you set up a recurring sync, 8:00 AM to 3:00 PM in Edinburgh (11:00 AM to 6:00 PM in Riyadh) is the natural home for it. Despite the 3-hour difference, a 7-hour overlap keeps things simple and gives both teams breathing room. Remember that Edinburgh shifts for daylight saving and Riyadh doesn't, so recalculate the overlap after each clock change.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Edinburgh Europe/London | ||||||||||||||||||||||||
Riyadh Asia/Riyadh |
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. -