Liqiu

The traditional Chinese calendar divides a year into 24 solar terms.^[1] Lìqiū, Risshū, Ipchu, or Lập thu (Chinese: 立秋; pinyin: lìqiū) is the 13th solar term. It begins when the Sun reaches the celestial longitude of 135° and ends when it reaches the longitude of 150°. It more often refers in particular to the day when the Sun is exactly at the celestial longitude of 135°. In the Gregorian calendar, it usually begins around August 7 and ends around August 23.

Liqiu
Woodcut depicting Risshū (Suzuki Harunobu, c. 1865)
Chinese name
Chinese	立秋
Literal meaning	start of autumn
Transcriptions Standard Mandarin Hanyu Pinyin lìqiū Bopomofo ㄌㄧˋ ㄑㄧㄡ Yue: Cantonese Yale Romanization laahp chāu Jyutping laap6 cau1
Vietnamese name
Vietnamese alphabet	lập thu
Chữ Hán	立秋
Korean name
Hangul	입추
Hanja	立秋
Transcriptions Revised Romanization ipchu
Japanese name
Kanji	立秋
Hiragana	りっしゅう
Transcriptions Romanization risshū

Liqiu signifies the beginning of autumn in East Asian cultures.