Gourds cannot be hung in the afternoon during May Day. The time for hanging gourds is between 7 a.m. and 9 a.m. It is not recommended to hang the gourd in the afternoon. It is best to choose a good day and a good time to place it, so that the time, space, people and things are highly consistent, so as to achieve the best Feng Shui conditioning effect. Whether the gourd is opened or not has a lot to do with the Feng Shui function of the gourd. This answer is for reference only, please do not be blindly superstitious.