Hadith 1217
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26-9 (The compiler of the book narrated) that his father - may God be pleased with him - narrated that Sa’ed ibn Abdullah quoted Ahmad ibn al-Hussein ibn Sa’id, on the authority of Al-Hussein ibn Ali ibn Yaqtayn, on the authority of Bakr ibn Ali ibn Abdul Aziz, on the authority of his father
“I asked Aba Abdullah as-Sadiq how many days there are in one year. He (MGB) replied, ‘There are three-hundred and sixty days in a year. God created this world in 6 days. That is why this was subtracted from three-hundred and sixty. Hence there are three-hundred and fifty-four days in a (lunar) year.”
26-9 حدثنا أبي رضي الله عنه قال: حدثنا سعد بن عبد الله، عن أحمد بن الحسين ابن سعيد، عن الحسين بن علي بن يقطين، عن بكر بن علي بن عبدالعزيز، عن أبيه قال
سألت أبا عبد الله عليه السلام عن السنة كم يوما هي؟ قال: ثلاثمائة وستون يوما، منها ستة أيام خلق الله عز وجل فيها الدنيا فطرحت من أصل السنة فصارت السنة ثلاثمائة وأربعة وخمسين يوما