People usually celebrate Little Year on December 23rd (Lunar Calendar) before the new year coming.
On this day, Chinese prepare foods to pray to the stove god, and clean houses to sweep away bad luck, in order to bring more grain and less gossip on the coming year.
Sugar melons is one of the popular foods, because in custom, the stove god love eating candy. It takes 3-4 hours to make the sugar melon in the traditional way because are made of malt. Sugar melons can only be found on this day.