For a long time. Spanish people have had a traditional custom of celebrating New years Eve. On the last day of the year,the 31 st of December , they wait untill twelve p.m. everyday has to have twelve grapes ready to eat when the clock stats to chime. It is traditional to eat them as you hear the clock from Puctra del Sol in Madrid chiming Spinish people believed one grape for good luck in each month of the new year.