Best overlap: 8:00 AM to 3:00 PM in Edinburgh is 11:00 AM to 6:00 PM in Doha.
Your shared working hours run 8:00 AM to 3:00 PM in Edinburgh (11:00 AM to 6:00 PM in Doha). Doha is 3 hours ahead of Edinburgh, and with 7 hours of overlap you can even run back-to-back calls without stepping outside business hours. Watch the DST gap — when Edinburgh changes its clocks and Doha stays the same, this window slides by an hour.
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. -