The Book of Fasting
22/17. Chapter:
Mentioning The Differences Reported From Yahya Bin Abi Kathir In The Narration Of Abu Salamah about that
Sunan an-Nasai
أَخْبَرَنَا مُحَمَّدُ بْنُ الْمُثَنَّى، قَالَ حَدَّثَنَا عَبْدُ الرَّحْمَنِ، عَنْ سُفْيَانَ، عَنِ الأَسْوَدِ بْنِ قَيْسٍ، عَنْ سَعِيدِ بْنِ عَمْرٍو، عَنِ ابْنِ عُمَرَ، عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ " إِنَّا أُمَّةٌ أُمِّيَّةٌ لاَ نَكْتُبُ وَلاَ نَحْسِبُ الشَّهْرُ هَكَذَا وَهَكَذَا وَهَكَذَا " . ثَلاَثًا حَتَّى ذَكَرَ تِسْعًا وَعِشْرِينَ .
It was narrated from Ibn 'Umar that the Prophet said: "We are an unlettered Ummah, we do not use astronomical counting or computation. The month is like this, and this, and this," he did three times, showing it as twenty-nine.
Reference : Sunan an-Nasa'i 2140In-book reference : Book 22, Hadith 51English translation : Vol. 3, Book 22, Hadith 2142