They agreed that its end is the setting of the sun, but they disagreed about its beginning. Some say it is the second dawn, which is the bright one, and some say it is the red dawn that comes after the white one. This is the view of Hudhayfah and Ibn Masoud, and it is analogous to the red twilight that occurs at the beginning of the night, and what I say is its clarity. To the person looking at it, then it is forbidden to eat. This is the text of the Qur’an, until the white thread becomes distinct to you from the black thread, meaning the white of the morning and the black of the night .