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Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
tabarani:19924 – ʿAlī b. ʿAbd al-ʿAzīz > ʿĀṣim b. ʿAlī > Shuʿbah b. al-Ḥajjāj > Manṣūr > Sālim b. Abū al-Jaʿd > Abū Salamah b. ʿAbd al-Raḥman > Um Salamah

[Machine] The Prophet ﷺ used to fast almost every month, except that he used to fast in the month of Sha'ban and connect it with Ramadan.  

الطبراني:١٩٩٢٤ – حَدَّثَنَا عَلِيُّ بْنُ عَبْدِ الْعَزِيزِ ثنا عَاصِمُ بْنُ عَلِيٍّ ثنا شُعْبَةُ بْنُ الْحَجَّاجِ عَنْ مَنْصُورٍ قَالَ سَمِعْتُ سَالِمَ بْنَ أَبِي الْجَعْدِ يُحَدِّثُ عَنْ أَبِي سَلَمَةَ بْنِ عَبْدِ الرَّحْمَنِ عَنْ أُمِّ سَلَمَةَ

أَنَّ النَّبِيَّ ﷺ كَانَ «لَا يَصُومُ شَهْرًا كَامِلًا إِلَّا أَنَّهُ كَانَ يَصُومُ شَعْبَانَ وَيَصِلُهُ بِرَمَضَانَ»  

See similar narrations below:

Collected by Suyūṭī