According to folklore, this is the day when the gods return to heaven, and there are only some gods on duty and small gods such as landlords to take care of the order in the world. People think that after the gods go to heaven, they have to wait until the evening of the fourth day of the second year before they return to the world. Therefore, there is a legend that even if the house is turned over during this time, they don't have to worry about any details, and they don't have to use this day to move objects or sand and dust, and they are not afraid to invade the gods at home .<br>The ancients set this day as a day for cleaning.<br>
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