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اليوم 24 ساعة من قسمه ولماذا؟

19 يناير 2013

اليوم 24 ساعة من قسمه ولماذا؟

المصريون القدامى هم من قسموا اليوم إلى 24 ساعة ، وهناك عدة تفسيرات للأمر :

- أنهم كانوا يستخدمون رقم 12 بدلاً من رقم 10 كأساس للعد.

- كان المصريون القدامى ينتظرون نجوما عددها 12 تظهر خلال الليل في الصيف قبل شروق الشمس ، بحيث يظهر واحداً كل ساعة مما ساعدهم على معرفة أن الليل 12 جزءاً... وافترضواً أن النهار له نفس المدة فكان 24 ساعة.

- جاء اليونانيون بعدهم وأكدوا هذا الأمر وحافظوا عليه مع تعديل على طول الساعة.

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