You eat the grapes at 12 , not at 11:59. The idea is to match the 12 grapes with the 12 chimes as the clock strikes midnight.

What the tradition says

  • This comes from the Spanish New Year’s custom “las doce uvas de la suerte,” where people eat 12 grapes right as the clock hits midnight on December 31.
  • Each grape represents good luck for one month of the coming year, so they are meant to be eaten during the transition into the new year, not before.

So when exactly do you start?

  • In the classic version, you start on the first bell strike at midnight and eat one grape per chime , trying to finish all 12 within that minute.
  • Some people accidentally start a bit early or late, and it is generally treated as a fun tradition rather than a strict rule, so nobody is really timing it down to the second in real life.

Safety and practical tips

  • Use small, seedless grapes if you are trying to keep up with the chimes, because grapes can be a choking risk when rushed.
  • Many people peel them or cut them beforehand and have them ready in a cup so they can just pop them in as the bells ring.

TL;DR

  • 11:59 = too early, still the “old” year.
  • Start as the clock strikes 12 and eat them with the bells for the “twelve grapes of luck.”

Information gathered from public forums or data available on the internet and portrayed here.