What is the next solar term in the Millennium? Introduction of the next solar term in the Millennium.

2.autumnalequinox is the sixteenth solar term in the twenty-four solar terms of the lunar calendar, usually on September 22nd or 23rd every year. The climate in the south began to decline from this solar term. First, the sun reaches 180 degrees on this day, pointing directly at the equator of the earth, so a day is divided into 24 hours, each 12 hours; There is no extreme day and night phenomenon in the world. After the autumnal equinox, the polar night range near the North Pole and the polar sun range near the South Pole gradually expanded.