How to read solar term song?
The spring rain shakes the spring and clears the valley, and the summer is full of mountains and summers.
Autumn dew, autumn frost, little snow in winter and cold in winter.
The two festivals remain unchanged every month, with a maximum difference of one or two days.
The first half of the year is June 2 1 day, and the second half is August 23.
It can be seen from the naming of the twenty-four solar terms that the division of solar terms fully considers the changes of natural phenomena such as seasons, climate and phenology.
Beginning of spring, Changxia, beginning of autumn, beginning of winter, vernal equinox, autumnal equinox, summer solstice and winter solstice are used to reflect the four seasons.
The astronomical division of vernal equinox, autumnal equinox, summer solstice and winter solstice blocks the turning point of solar height change.
Winter solstice: the day enters nine o'clock, the day is short and the night is long. Because we are vast. It has a very obvious monsoon and continental climate. The weather and climate vary greatly from place to place, so the seasonal changes in different regions are also very different.
Five solar terms, such as slight summer heat, great summer heat, intense summer heat, slight cold and severe cold, reflect the change of temperature and are used to indicate the severity of a year.
Great cold: It is the coldest season. The three solar terms, White Dew, Cold Dew and First Frost, on the surface reflect the phenomenon of water vapor condensation, but in essence reflect the process and degree of gradual temperature drop.
Xiaoman and Miscanthus reflect the maturity and harvest of related crops. Xiaoman: The seeds of summer hot crops such as wheat are gradually full.
Stingo: It started to thunder, and the animals in winter woke up. Use the early thunder in the sky and the recovery of underground stingers to predict the return of spring.
The four solar terms of rain, Grain Rain, light snow and heavy snow reflect the phenomenon of precipitation, indicating the time and intensity of rainfall and snowfall. Increased rainfall is beneficial to grain growth.