Detroit is typically 5 hours behind London. When it's 5:00 PM in London, it's 12:00 PM (noon) in Detroit. Both cities observe daylight saving time, but they switch on slightly different schedules.
During most of the year, the difference is 5 hours. During the brief periods when US and UK DST schedules don't align (early March and late October/early November), the difference can be 4 or 6 hours.
Optimal meeting window: 9:00 AM - 12:00 PM Detroit time (2:00 PM - 5:00 PM London). Morning Detroit catches afternoon London before end of business.
Detroit's automotive industry has strong ties to European manufacturers. Ford and GM have major operations in the UK, and British companies supply parts to Detroit's auto industry.