The fifteenth day of the seventh month is the Trung Nguyen Festival. On this day, officials select people and divide good and evil. Both this and the night of reciting sutras and preaching, the great saints of the ten directions gathered together, was when the wild ghosts were liberated.
Also at this time in mid-July, the ghost gate opened, once opened it was open for half a month.
Legend has it that the King of Hell opened the demon gate on this day, allowing the demons to leave the underworld at night and flee to the earthly world. The ghosts returned to the human world, checking each person's good and evil deeds, and descendants also took this opportunity to worship their ancestors.
In the middle of July, the devil's door opens, everything should not be done.
Do not go far away, move house, or break ground; Avoid marriage, grand opening, debt collection; Avoid doing water activities, such as swimming or boating.
On the fourteenth day of the seventh month, the ghosts in the underworld went on a trip, the demon officials rested, the King of Hell and the Judge drank wine, until both were drunk.