It wasnarrated that from 'Abdur-Rahman bin Abu Bakrah, from hisfather,that the Prophet (ﷺ) said:
"Two months of 'Eid whose rewardcannot be reduced (even if they are twenty-nine days): 'RamaadanandDhul-Hijjah." (IT)
English reference (IT): Vol. 1, Book 7, Hadith 1659 (IT)
Arabic reference (IT): Book 7, Hadith 1728 (IT)