London is 5 hours ahead of Cleveland. Cleveland uses Eastern Time (ET, UTC-5/-4) while London uses Greenwich Mean Time/British Summer Time (GMT/BST, UTC+0/+1). When it's 12:00 PM in Cleveland, it's 5:00 PM in London.
Both cities observe daylight saving time, though on slightly different schedules, so the difference can vary during transition periods.
Best calling time: 8:00 AM - 12:00 PM Cleveland time. This corresponds to 1:00 PM - 5:00 PM in London, catching afternoon business hours in the UK.
Cleveland's healthcare and manufacturing industries have international connections. The Cleveland Clinic is world-renowned and attracts patients from around the globe, including the UK.