Muwatta Imam Malik (Riwayat Ibn al-Qasim)

It is narrated from Sayyiduna Abu Hurairah (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said: "Whoever performs the ritual bath of major impurity on the day of Jumu'ah and then goes (to the mosque) in the first hour, it is as if he has offered a camel as a sacrifice. Whoever goes in the second hour, it is as if he has offered a cow as a sacrifice. Whoever goes in the third hour, it is as if he has offered a ram with horns as a sacrifice. Whoever goes in the fourth hour, it is as if he has offered a chicken as a sacrifice. Whoever goes in the fifth hour, it is as if he has offered an egg as a sacrifice. Then, when the Imam comes out (for the sermon), the angels are present to listen to the remembrance (khutbah), closing their registers."