What does autumn dew and frost mean?

The two autumns in autumn mean: the beginning of autumn and the autumnal equinox. Song in the 24 solar terms? Autumn dew, autumn cold and frost? Beginning of

The two autumns in autumn mean: the beginning of autumn and the autumnal equinox. Song in the 24 solar terms? Autumn dew, autumn cold and frost? Beginning of autumn, Chushu, Bailu, Autumnal Equinox, Cold Dew and First Frost, so what do two autumns mean? Beginning of autumn? And then what? Autumn equinox? . Beginning of autumn is the 13 solar term among the 24 solar terms, which is between August 7th and 9th every year. This is the first solar term in autumn, marking the official start of the Qiu Meng season.

Beginning of autumn generally indicates that hot summer is coming and autumn is coming. After beginning of autumn (solar term), the next rain will cool down after autumn, so there is? One autumn rain and one cold, ten autumn rains need to wear cotton? Statement.

Extended learning:

? Beginning of autumn? This day is often still in the middle. So-called? Trivolt fever? Three volts can be divided into initial, intermediate and final volts, and its date is determined by the date of solar terms and the date of the main branch year. According to China's traditional calculation method, the third and fourth Geng days from summer to the future are the first (head) and middle start dates respectively, and the first Geng day after beginning of autumn is the last first day.

Because every Geng day is 10 days apart, the stipulated time of the first day and the last day is 10 days. Because the third Geng day (the first autumn) after the summer solstice solar term appears sooner or later, the number of days in autumn is long or short, which may be 10 or 20 days. According to the calculation method of three volts, beginning of autumn? This day is often still in the middle, that is to say, entering? Beginning of autumn? Solar terms do not mean that the temperature will drop.