Muhammad ibn Ahmad ibn Yahya, from Muhammad ibn al-Husayn, Ibn Abi Umayr, Muawiyah ibn Ammar: I (narrator) asked Abu Abdillah عليه السلام, peace be upon him, about ‘a newborn who was born on the night of al-Fitr, Is al-fitrah due upon him?’ Imam عليه السلام said: “No, the month has already ended.” And I (narrator) asked Imam عليه السلام about ‘a Jew who accepted Islam on the night of al-Fitr, Is al-fitrah due upon him?’ Imam عليه السلام said: “No.”