Ligue 1, officially known as Ligue 1 McDonald's for sponsorship reasons, is a professional association football league in France and the highest level of the French football league system. Administered by the Ligue de Football Professionnel, Ligue 1 is contested by 18 clubs and operates on a system of promotion and relegation from and to Ligue 2. Seasons run from August to May. Most games are played on Saturdays and Sundays, with a few games played during weekday evenings.