Koda magabatanmu, wadanda sukayi nesa da kimiyya, sun san game da solstices biyu da equinoxes. Amma menene asalin wadannan matakan "tsaka-tsakin yanayi" a cikin zagayowar shekara-shekara ya bayyana ne kawai tare da bunkasar ilimin taurari. Nan gaba, zamu yi dubi kan abin da ma'anar wadannan ra'ayoyi guda biyu suke nufi.
Solstice - menene shi?
Daga mahangar iyali, lokacin hutun hunturu yana nuna mafi ƙarancin ranar hunturu na shekara. Bayan wannan, abubuwa suna matsawa kusa da bazara kuma yawan lokutan hasken rana yana ƙaruwa a hankali. Amma lokacin bazara, komai shine akasin haka - a wannan lokacin ana kiyaye rana mafi tsayi, bayan haka adadin hasken rana ya riga ya ragu. Kuma menene ke faruwa a cikin tsarin rana a wannan lokacin?
A nan duk ma'anar ta ta'allaka ne da cewa tushen duniyar tamu yana ƙarƙashin nuna bambanci kaɗan. Saboda wannan, ecliptic da equator na sararin samaniya, wanda yake da ma'ana, ba zasu dace ba. Wannan shine dalilin da ya sa ake samun canji a cikin yanayi tare da irin waɗannan karkacewa - ranar ta fi tsayi, kuma ranar ta yi gajera. A wata ma'anar, idan muka yi la'akari da wannan tsari ta mahangar falaki, to ranar solstice ita ce lokacin mafi girma da karami, bi da bi, karkatar da tsarin duniyar tamu daga Rana.
Equinox
A wannan yanayin, komai ya bayyana a sarari daga sunan asalin abin da ke faruwa kanta - rana kusan daidai take da dare. A irin wadannan ranaku, Rana tana wucewa ta mahaɗar mahaɗiyar mahaɗiya da maraice.
Equinox na bazara, a matsayin mai ƙa'ida, yana faɗuwa ne a ranakun 20 da 21 na Maris, amma ana iya kiran equinox na hunturu da kaka, tunda wani abin al'ada yana faruwa a ranakun 22 da 23 na Satumba.
Ta yaya wannan yake shafar rayuwar mutane?
Koda magabatanmu, wadanda basu kware sosai a ilimin taurari ba, sun san cewa wani abu na musamman yana faruwa a yan kwanakin nan. Ya kamata a lura cewa a cikin waɗannan lokutan ne wasu ranakun hutu na arna ke faɗuwa, kuma kalandar aikin gona an gina ta daidai bisa waɗannan hanyoyin na halitta.
Game da hutu, har yanzu muna yin wasu daga cikinsu:
- ranar mafi qarancin ranar hunturu ita ce Kirsimeti ga mutanen da ke bin darikar Katolika, Kolyada;
- lokacin equinox na vernal - makon Maslenitsa;
- kwanan wata mafi yawan ranar bazara - Ivan Kupala, bikin da ya zo mana daga Slav ana ɗaukarsa arna ne, amma ba wanda zai manta da shi;
- ranar hunturu equinox bikin girbi ne.
Kuma har ma a cikin karni na 21 na ilimi da fasaha na zamani, muna yin bikin waɗannan ranakun, don haka ba mu manta da hadisai.