From 1956 to 2015, the Franche-Comté was a French administrative region. Paris zones apply to transit passes used on RER trains and Transilien trains to Disney, Versailles, airports, etc. When local daylight time is about to reach Sunday, October 31, 2021, 3:00:00 am clocks are turned backward 1 hour to Sunday, October 31, 2021, 2:00:00 am local standard time instead. L'appellation exacte d'une zone franche est « zone franche urbaine » (ZFU). <