Autumnal equinox (daya daga cikin sharuddan rana ashirin da hudu)
Equinox na kaka shine na sha shida daga cikin sharuddan rana ashirin da huɗu, kuma na huɗu na hasken rana a cikin kaka.Yaki yana nufin kai;Rana ta kai 180 ° na tsayin rawaya;yana saduwa a kowace shekara a ranar 22-24 ga Satumba a kalandar Gregorian.A kan ma'aunin kaka, rana tana kusan kai tsaye a ma'aunin duniya, kuma dare da rana daidai suke a duk fadin duniya.Equinox na kaka na nufin "daidai" da "rabi".Baya ga ma'aunin dare da rana, yana nufin cewa kaka ya rabu daidai.Bayan ma'aunin kaka, wurin da hasken rana kai tsaye ya koma kudu, kwanaki a arewaci gajeru ne, kuma darare suna da tsayi, bambancin yanayin zafi tsakanin dare da rana yana karuwa, yanayin zafi yana raguwa kowace rana.
Daidaiton lokacin kaka ya kasance al'adar "bikin wata", kuma bikin tsakiyar kaka ya samo asali ne daga bikin Qixi.A ranar 21 ga watan Yuni, 2018, majalisar gudanarwar kasar Sin ta ba da amsa kan amincewa da kafa "bikin girbi na manoman kasar Sin", inda aka amince da kafa bikin girbi na kaka na shekara-shekara a matsayin "bikin girbi na manoman kasar Sin" wanda zai fara a shekarar 2018. Ayyukan bikin sun hada da wasannin fasaha. da gasar noma.
Lokacin aikawa: Satumba-23-2021