How to count plum blossoms in and out?

According to the date of the main branch, the first day of entering plum is the third day from the planting of awn, and the first day of flowering is the last day from the hot summer.

Traditionally, in China, the judgment of plum entry and plum exit is based on the combination of solar terms and branches. According to the calendar, the first third day after mango seeds is plum blossom, and the first last day in Xia Hou is plum blossom. If the weather on the awning day is C, it is designated as entering the plum blossom, and if it is not in the shallow summer, it is designated as leaving the plum blossom.

Into the plum and out of the plum, also known as into the mold, out of the mold. Every year, the rainy weather in the plum yellow ripening season, referred to as "Huang Meiyu" or "Meiyu", makes clothes easy to get moldy. Plum entering and plum leaving refer to the beginning and end of rainy season respectively.