立秋是怎么说英语的

立秋 (Lìqiū) is the beginning of autumn in the traditional Chinese calendar. In English, it is often referred to as the "Autumn Equinox." The Autumn Equinox is the point in the year when the sun appears to cross the celestial equator from north to south, which usually occurs around September 22nd or 23rd in the Northern Hemisphere. It marks the end of summer and the beginning of autumn.