The white dew is early, the cold dew is late, and the autumnal equinox is the time to plant wheat. the meaning of

In view of the north of the Yellow River Basin, it is the time when the white dew is early, the cold dew is late and the wheat is planted in the autumn equinox.

In view of the south of the Yellow River basin, it is the time when the autumn equinox is early, the first frost is late and there are many cold dew.

The solar terms are all on the same day, but the temperature difference varies from place to place. This is only the approximate time. When you are in a leap year, you will have a few days off at this time, that is to say, planting wheat at that time is too early, planting wheat at that time is too late, and planting wheat at this time of the autumn equinox is just right.

Millennium is the fifteenth of the twenty-four solar terms. This solar term marks the end of the Qiu Meng season and the beginning of the Mid-Autumn Festival, which is an important festival reflecting the temperature changes in nature. When the sun reaches longitude 165 degrees, it is white dew.

Gregorian calendar 07-09 September. Before and after the Millennium, the summer heat gradually disappeared, the Yin Qi of heaven and earth rose and spread, the weather gradually turned cold, the morning dew became thicker and thicker, and it condensed into a layer of white water droplets on the surface of grass leaves, so it was called "Millennium".