Musnad Abu Ya'la al-Mawsili 3:186

Abu Hisham and Uthman ibn Abi Shaybah narrated to us, they said: Yahya ibn Yaman narrated to us, he said: Sulayman ibn Qarm narrated to us, from Muslim, from Habbah, from Ali, who said: The Messenger of Allah, may Allah bless him and grant him peace, was sent on Monday, and I accepted Islam on Tuesday.