Best overlap: 8:00 AM to 1:00 PM in Edinburgh is 1:00 PM to 6:00 PM in Islamabad.
Both teams are at their desks between 8:00 AM to 1:00 PM in Edinburgh and 1:00 PM to 6:00 PM in Islamabad. With about 5 hours of overlap, there's comfortable room for a daily stand-up — 8:00 AM in Edinburgh / 1:00 PM in Islamabad works well. Bear in mind Edinburgh shifts for daylight saving while Islamabad stays fixed — recheck these hours after each clock change.
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. -