Musannaf Ibn Abi Shayba 3:3260

Affan narrated to us, he said: Abu 'Awanah narrated to us, from 'Abd al-Hamid ibn Abi Riyyah, he said: A man from the people of al-Sham narrated to me, from Zayd ibn Thabit, that he used to say the takbir from the Dhuhr prayer on the Day of Sacrifice (Yawm al-Nahr) until the Asr prayer of the last of the Days of Tashriq.