"We were standing with the Prophet (ﷺ) at 'Arafat when I heard him say: 'O you people! For every household each year is Udhiyah (sacrifice) and 'Atirah. Do you know what an 'Atirah is ? It is that which you call Ar-Rajabiyyah.'"
Jami` at-Tirmidhi Book 19, Hadith 30
← Previous Hadith That the Messenger of Allah (ﷺ) said: "The best of Udhiyah (sacrifice) is a ram, and the best (burial) shroud is the Hullah."

Jami` at-Tirmidhi Book 19, Hadith 29 Next Hadith → That Ali bin Abi Talib said: "The Messenger of Allah (ﷺ) had the 'Aqiqah for Al-Hasan with one sheep, and said: 'O Fatimah! Shave his head and give the weight of his hair in silver as charity.'" He said: "So I weighed it, and it was the weight of a Dirham or a bit of a Dirham."

Jami` at-Tirmidhi Book 19, Hadith 31