France — the anchor of Central European Time
France runs on CET (UTC+1) in winter and CEST (UTC+2) in summer, on the standard EU DST schedule. Paris is the anchor city, sharing the offset with continental France and Monaco. Note: French overseas territories (Réunion, French Polynesia, Guadeloupe, Martinique, French Guiana) are on entirely different offsets. Metropolitan business hours 9 AM - 6 PM with a 1-1.5 h lunch traditionally taken 12:30 - 2 PM.