Which two solar terms are linked by summer heat?

The connection of great summer heat means that the two solar terms of great summer heat and slight summer heat are connected, which means that great summer heat is connected one after another. In addition, there is a saying that summer heat is connected with summer heat, which refers to the six solar terms in summer, namely, long summer, small full, awn seed, summer solstice, big summer heat and small summer heat.

Solar terms refer to the 24 solar terms and climate, which is a supplementary calendar for guiding farming in ancient China and the crystallization of the long-term experience and wisdom of the working people of the Chinese nation. Since China was an agricultural society in ancient times, agriculture needed a strict understanding of the movement of the sun, and farming was carried out entirely according to the sun, so "24 solar terms" reflecting the solar cycle alone were added to the calendar as the criteria for determining leap months.