Amagambo akomoka ku mirasire y'izuba 24 y'Abashinwa, gahunda ya kalendari gakondo igabanya umwaka mu bice 24, ni uburyo bugaragara bw'imikorere y'ubuhinzi n'imihindagurikire y'ibihe mu Bushinwa. Muri aya magambo, "Intangiriro yizuba" (立秋, Lìqiū) ifite umwanya wihariye, bikerekana inzibacyuho kuva mubushyuhe bwinshi bwimpeshyi ikagera kumunsi ukonje wizuba. Iri jambo risanzwe rigwa ku ya 7 cyangwa 8 Kanama buri mwaka, bitewe na kalendari y'izuba.