Grain in Ear(芒种mánɡ zhǒnɡ) in 24 Chinese Solar System
Grain in Ear is the ninth in the 24 Solar Terms and falls around the June 5th each year, when the sun reaches 75°celestial longitude. This is a term reflecting agricultural phenological phenomenon.
"芒(mang)" refers to the maturity of the seeds of such awned crops as barley and wheat, which need to be harvested in time. "种(zhong)" refers to the crops that need to be planted. The day of Grain in Ear is the high time to sow awned grains, such as broomcorn millet, millet and the like. It is also a dividing point for the time of sowing. Because of the hot weather, it is already summer at this moment and the day is the deadline for the sowing activities. After this day, there is little chance for crops to survive. The agricultural proverbs like "awned crops planted in a rush on the day of Grain in Ear" and "Grain in Ear means both harvest and plant" tell the same reason. People always use the homonym of "芒种(mang zhong) (Grain in Ear)" and "忙种(mang zhong) (planting in a rush)" in Chinese to tell that the days around Grain in Earth is the busiest time for farmers to sow and work in the fields.
In addition, the Dragon Boat Festival is always around the day of Grain in Ear. There is a popular saying goes like this, "Before the Dragon Boat Festival when you eat your Zongzi, you should never send away your winter clothes", which asks people not to take off their heavy clothes to avoid getting cold until the day of Dragon Boat Festival.