ما هي ظاهرة "الخمسة ايام"؟

20 يوليو 2014

ظاهرة "الخمسة أيام": ظاهرة فلكية نادرة الحدوث، لا تتكرر إلا كل 823 عامًا، حيث يكون هناك 5 أيام جمعة، و5 أيام سبت، و5 أيام أحد. في شهر واحد

الظاهرة تتكرر حينما يكون أول يوم في الشهر يوم جمعة والشهر 31 يومًا، لافتًا إلى أنها مسألة فلكية تعتمد على السنة الشمسية بمعدل 365 يومًا و5 ساعات و11 ثانية .

وسيشهد شهر اغسطس 2014 هذه الظاهرة.

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أخر المواضيع من قسم : فلك

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