This time of year represented New Year’s Day, according to the French Republican Calendar. However, since that calendar was only in use from 1793 to 1805, following the fall of the French monarchy in 1792, very few still celebrate this day.
Date of Autumn
Instead, September 22 or 23 marks the beginning of Fall or Autumn associated with the Equinox. This word is made up of two Latin root words aequus and nox meaning “equal night” referring to the fact that daylight and night time are equal in duration.