Ukubunjwa, Imfundo Secondary nezikolo
Zingaphi iiyure ngemini, imizuzu nemizuzwana, yaye kutheni oko kwenzeke
Zingaphi iiyure ngosuku? Oku kwaziwa kuyo yonke - Iiyure ezi-24. Kodwa kwakutheni ukuze oku kwenzeke? Makhe sihlolisise kwimbali ukuvela iiyunithi esisiseko ixesha uze ufumanise ukuba imini, ukuba iiyure ezininzi ngosuku, imizuzwana nemizuzu. Kwaye siza kubona ukuba ezi iiyunithi ibotshelelwe kuphela ukuba iziganeko ngeenkwenkwezi.
Apho wenza usuku? Eli xesha, omnye umhlaba revolution ngeenxa axis yayo. bengazi nokuba kangako ngeenkwenkwezi, abantu baqala ukubala ixesha loo amabanga, kuquka ekukhanyeni nganye kunye nexesha emnyama.
Kodwa zingaphi iiyure ngosuku? Kutheni imini yahlulwe iiyure ezingama-24, kuba yinkqubo lokugqibela lula ngakumbi, yaye phi? Kuya kuba kwanjengoko ngemini, bathi, iiyure ezili-10, kwaye yonke iyure nemizuzu engama-100, oko bekuya ukutshintsha izinto ukuze kuthi? Eneneni, akukho nto kodwa amanani, kwelinye icala, bekuya kuba lula ukwenza izibalo. Kodwa inkqubo wokugqibela - asinguye kuphela eyayisetyenziswa ehlabathini.
In iBhabhiloni yamandulo basebenzisa inkqubo ukubala sexagesimal. Ke kaloku kakuhle isiqingatha eqaqambileyo wahlukana kubini, kuba iiyure 6 nganye. Iyonke apha suku ngaphandle iiyure ezingama-24. Oku division kakhulu lula wathabatha amaBhabhiloni kunye nezinye izizwe.
Ngentsimbi yesithandathu ngokuhlwa kweza ilixa yeshumi. Yiloo ndlela iiyure ezininzi ngosuku iinombolo eRoma yamandulo. Kodwa kunjalo ebusuku! AmaRoma akazange asilibale ngabo. Emva kwentsimbi yeshumi elinanye waqalisa imilindo yasebusuku. Abalindi zaye indawo qho kwiiyure ezi-3 ebusuku. Ngokuhlwa nobusuku yahlulwa nabalindi-4. Unogada Inxalenye yokuqala uqale ngentsimbi yesi-6, kwaqhubeka nge 9. yesibini, phakathi kobusuku, ngangosuku ziyure ezili-9 ukuya kwi-12. Unogada yesithathu, ukususela 12 kusasa ukuya 3 am sele kugqityiwe xa ngumqhagi becula, benjenjalo ukumemeza - "ekulileni kweenkuku". Okokugqibela, unogada wesine wabizwa ngokuba "kusasa" kwaye uphela ngentsimbi ye-6 kusasa. Yaye siqale yonke kwakhona.
Ngoko ke, ukuba lula imeko yesibini ukuba kubalwe ukuhamba imizimba yasezulwini, yaye ngexesha iinkqubo ngaphakathi atom atom-133 ukuphumla. Kwaye ukuze utshatise imeko eyiyo kwemicimbi kunye ekujikeni Umhlaba ujikeleza ilanga kabini ngonyaka - on December 31 Juni 30 - dibanisa 2 emnqakathi extra yesibini, yaye rhoqo emva kweminyaka-4 - elongezelelweyo ngosuku.
Total wafumana loo mini iiyure ezingama-24, okanye imizuzu 1440, okanye imizuzwana 86.400.
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