What is the oldest traditional symbol of new years in western world?

The oldest traditional symbol of the New Year in the Western world is the calendar itself, specifically the Julian calendar introduced by Julius Caesar in 45 BCE, which established January 1 as the beginning of the year. Another prominent symbol is the New Year's Eve celebration, particularly the iconic ball drop in Times Square, New York City, which began in 1907. Additionally, the use of fireworks and festive gatherings has long been associated with marking the New Year. These traditions reflect a blend of ancient customs and modern celebrations.