What month is autumn?

After autumn, it probably refers to July, August and September of the lunar calendar; Autumn means after autumn begins.

Beginning of autumn, the 13 solar term in 24 solar terms, is the first solar term in autumn, which falls on August 7-9 of the Gregorian calendar every year. At this time, the bucket handle of the Big Dipper points southwest, and the sun reaches longitude 135? ; Does the twenty-four solar terms reflect four o'clock? Gas? Change, beginning of autumn is the node where Yang gradually closes, Yin gradually grows, and Yang gradually turns into Yin; Beginning of autumn, which also means precipitation and humidity, is at the turning point of the year, with a downward or decreasing trend; In nature, everything begins to grow from lush to mature.

Beginning of autumn doesn't mean the extreme hot weather is over. Beginning of autumn is still in the summer heat period, and the summer heat will not come out until the second solar term in autumn. It's still very hot in early autumn. So-called? Trivolt fever? , again? Autumn after autumn? Say, at least after beginning of autumn? One volt? Hot weather; Follow? Three volts? How to calculate it? Beginning of autumn? This day is often still in midsummer, that is to say, the heat is not over yet, and the real coolness usually comes after the Millennium solar terms. The watershed of summer heat is not in the solar terms in beginning of autumn.