Sahih Muslim 3017
Sahih Muslim · Book 56: The Book of Commentary on the Qur'an
Tariq b. Shihab reported that a Jew came to 'Umar and said:
وَحَدَّثَنِي عَبْدُ بْنُ حُمَيْدٍ ، أَخْبَرَنَا جَعْفَرُ بْنُ عَوْنٍ ، أَخْبَرَنَا أَبُو عُمَيْسٍ ، عَنْ قَيْسِ، بْنِ مُسْلِمٍ عَنْ طَارِقِ بْنِ شِهَابٍ ، قَالَ جَاءَ رَجُلٌ مِنَ الْيَهُودِ إِلَى عُمَرَ فَقَالَ يَا أَمِيرَ الْمُؤْمِنِينَ آيَةٌ فِي كِتَابِكُمْ تَقْرَءُونَهَا لَوْ عَلَيْنَا نَزَلَتْ مَعْشَرَ الْيَهُودِ لاَتَّخَذْنَا ذَلِكَ الْيَوْمَ عِيدًا . قَالَ وَأَىُّ آيَةٍ قَالَ { الْيَوْمَ أَكْمَلْتُ لَكُمْ دِينَكُمْ وَأَتْمَمْتُ عَلَيْكُمْ نِعْمَتِي وَرَضِيتُ لَكُمُ الإِسْلاَمَ دِينًا} فَقَالَ عُمَرُ إِنِّي لأَعْلَمُ الْيَوْمَ الَّذِي نَزَلَتْ فِيهِ وَالْمَكَانَ الَّذِي نَزَلَتْ فِيهِ نَزَلَتْ عَلَى رَسُولِ اللَّهِ صلى الله عليه وسلم بِعَرَفَاتٍ فِي يَوْمِ جُمُعَةٍ .
Commander of the Faithful, there is a verse in your Book, which you recite. Had it been revealed in connection with the Jews, we would have taken it as the day of rejoicing. Thereupon he said: Which verse do you mean? He replied:" This day I have perfected your religion for you and I have completed My favours upon you and I have chosen al-Islam as religion for you." Umar said, I know the day when it was revealed and the place where it was revealed. It was revealed to Allah's Messenger (ﷺ) at 'Arafat on Friday.