The great majority of people in China are adherents of Buddhism or Daoism (or both), or profess no religion at all. Therefore, they do not celebrate Easter, and Easter is not a public...
They don't celebrate Halloween, they celebrate Yue Lan (Mandarin, lit: "Festival of the Hungry Ghosts"). On Yue Lan, many people will offer money, food, and other gifts to the spirits of departed...