Paris is 6 hours ahead of Detroit. Detroit uses Eastern Time (EST/EDT) while Paris uses Central European Time (CET/CEST). When it's 9:00 AM in Detroit, it's 3:00 PM in Paris.
Both cities observe daylight saving time, though they switch on different dates. The time difference is typically 6 hours but can briefly be 5 or 7 hours during transition periods.
Best calling time: 3:00 AM - 11:00 AM Detroit time. This corresponds to 9:00 AM - 5:00 PM in Paris. Early morning calls from Detroit are necessary to reach French business hours.
Detroit has significant European automotive connections, with several French automakers having partnerships with Detroit-based companies. Both cities have rich automotive and manufacturing heritage.