صَحِيحُ مُسْلِمٍ
Sahih Muslim 1089 a
The Book of Fasting
The meaning of the Prophet's words: "The two months of 'Id cannot both be incomplete"
حَدَّثَنَا يَحْيَى بْنُ يَحْيَى، قَالَ أَخْبَرَنَا يَزِيدُ بْنُ زُرَيْعٍ، عَنْ خَالِدٍ، عَنْ عَبْدِ الرَّحْمَنِ، بْنِ أَبِي بَكْرَةَ عَنْ أَبِيهِ، - رضى الله عنه - عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ شَهْرَا عِيدٍ لاَ يَنْقُصَانِ رَمَضَانُ وَذُو الْحِجَّةِ .
The son of Abu Bakra reported it on the authority of his father that the Messenger of Allah (ﷺ) had said: The two months of 'Id, Ramadan and Dhu'l-Hijja (are not incomplete).
Sahih Muslim, 1089 aSahihصحيح