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bayhaqi:8203Muḥammad b. ʿAbdullāh al-Ḥāfiẓ > Abū ʿAbdullāh Muḥammad b. Yaʿqūb > Yaḥyá b. Muḥammad b. Yaḥyá > Musaddad > al-Muʿtamir > Isḥāq b. Sūwayd And Khālid al-Ḥadhhāʾ Yuḥaddithān > ʿAbd al-Raḥman b. Abū Bakrah from his father

[Machine] The Messenger of Allah ﷺ said, "There are two festive months that are not diminished, Ramadan and Dhul-Hijjah."  

البيهقي:٨٢٠٣أَخْبَرَنَا مُحَمَّدُ بْنُ عَبْدِ اللهِ الْحَافِظُ أنبأ أَبُو عَبْدِ اللهِ مُحَمَّدُ بْنُ يَعْقُوبَ ثنا يَحْيَى بْنُ مُحَمَّدِ بْنِ يَحْيَى ثنا مُسَدَّدٌ ثنا الْمُعْتَمِرُ قَالَ سَمِعْتُ إِسْحَاقَ بْنَ سُوَيْدٍ وَخَالِدًا الْحَذَّاءَ يُحَدِّثَانِ عَنْ عَبْدِ الرَّحْمَنِ بْنِ أَبِي بَكْرَةَ عَنْ أَبِيهِ قَالَ

قَالَ رَسُولُ اللهِ ﷺ شَهْرَا عِيدٍ لَا يَنْقُصَانِ رَمَضَانُ وَذُو الْحِجَّةِ  

رَوَاهُ الْبُخَارِيُّ فِي الصَّحِيحِ عَنْ مُسَدَّدٍ وَرَوَاهُ مُسْلِمٌ عَنْ أَبِي بَكْرِ بْنِ أَبِي شَيْبَةَ عَنْ مُعْتَمِرِ بْنِ سُلَيْمَانَ وَالْمُرَادُ بِالْحَدِيثِ وَاللهُ أَعْلَمُ أَنَّهُمَا وَإِنْ خَرَجَا تِسْعًا وَعِشْرِينَ فَهُمَا كَامِلَانِ فِيمَا يَتَعَلَّقُ بِهِمَا مِنَ الْأَحْكَامِ