[Machine] He used to perform the Takbeer (saying "Allahu akbar") starting from the Dhuhr prayer on the day of Sacrifice (Eid al-Adha) until the Fajr prayer on the last days of Tashreeq.
أَنَّهُ كَانَ يُكَبِّرُ مِنْ صَلَاةِ الظُّهْرِ يَوْمَ النَّحْرِ إِلَى صَلَاةِ الْفَجْرِ مِنْ آخِرِ أَيَّامِ التَّشْرِيقِ