أَخْبَرَنَا مُحَمَّدُ بْنُ الْمُثَنَّى، وَمُحَمَّدُ بْنُ بَشَّارٍ، عَنْ مُحَمَّدٍ، عَنْ شُعْبَةَ، عَنِ الأَسْوَدِ بْنِ قَيْسٍ، قَالَ سَمِعْتُ سَعِيدَ بْنَ عَمْرِو بْنِ سَعِيدِ بْنِ أَبِي الْعَاصِ، أَنَّهُ سَمِعَ ابْنَ عُمَرَ، يُحَدِّثُ عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ " إِنَّا أُمَّةٌ أُمِّيَّةٌ لاَ نَحْسِبُ وَلاَ نَكْتُبُ وَالشَّهْرُ هَكَذَا وَهَكَذَا وَهَكَذَا " . وَعَقَدَ الإِبْهَامَ فِي الثَّالِثَةِ " وَالشَّهْرُ هَكَذَا وَهَكَذَا وَهَكَذَا " . تَمَامَ الثَّلاَثِينَ .
It was narrated from Saeed bin 'Amr bin Saeed bin Abi Al-As, that: he heard Ibn 'Umar narrate that the Prophet said; "We are an unlettered Ummah; we do not use computation. The month is like this, and this, and this," and he held down his thumb the last time. "And the month is like this, and this, and this," completing thirty. Translation Not Available
Book Ref: Sunan An Nisai Book 22 Hadith 2141
Web Ref: Sunan An Nisai Vol 3 Book 22 Hadith 2143