Abdur Rahman bin Mahdi عبد الرحمن بن مهدي · The Book of Fasting

"D not fast until you see it , and do not stop fasting until you see it, and if it is obscured from you (too cloudy), then work it out."

the Prophet struck one hand with the other and said: "The month is like this and like this and like this," retaining one finger the third time.

" I heard the Messenger of Allah say: 'The month is twenty-nine days."'

"We are an unlettered Ummah, we do not use astronomical counting or computation. The month is like this, and this, and this," he did three times, showing it as twenty-nine.

"I had Sahur with Hudhaifah, then we went out to the Masjid. We prayed the two Rakahs of Fajr, then the Iqamah for prayer was made, and we prayed."

"The Messenger of Allah and Zaid bin Thabit had Sahur, then they went and started to pray Subh." We said to Anas: "How long was there between their finishing and their starting to pray?" He said: "As long as it takes a man to recite fifty Verses."

"I said to 'Aishah: 'Among us there are two of the Companions of the Prophet, one of whom hastens Iftar and delays Sahur, and the other delays Iftar and hastens Sahur.' She said: 'Which of them is the one who hastens Ifar and delays Sahur?' I said: "Abdullah bin Masud.' She said: 'That is what the Messenger of Allah used to do."'

"Masruq and I came to 'Aishah, and Masruq said to her: 'There are two men from among the Companions of the Messenger of Allah both of whom are good; one of them delays the prayer and Ifar, and the other hastens the prayer and Iftar.' 'Aishah said: 'Which of them is the one who hastens the prayer and Iftar?' Masruq said: 'That is what the Messenger of Allah used to do."'

"Bilal calls the Adhan at night to awaken those of you who are asleep, and so that those who are praying Qiyam cam return. Dawn is not when the light appears like this" - and he gestured with his hand - "rather dawn is when it appears like this: - and he gestured with his two forefingers. '

"There is no good deed that the son of Adam does, but between ten and seven hundred Hasanahs will be recorded for him. Allah, the mighty and sublime, said: 'Except fasing, for it is for me and I shall reward for it. He gives up his desires and his food for my sake. Fasting is a shield, and the fasting person has two moments of joy. One when he breaks his fast and another when he meets his Lord. And…

That the Messenger of Allah would not fast any two consecutive months except Shaban and Ramadan.

That the Prophet would not fast any month of the year in full except Shaban and he used to join it to Ramadan.

"My father told me that he heard the Messenger of Allah say, when mention was made in his presence of a man who fasted for the rest of his life: 'He neither fasted nor broke his fast."' 'Ata said: "someone who heard him told me that Ibn 'Umar (said) that the Prophet said: 'Whoever fasts every day of his life, then he has not fasted."

"I heard Ibn 'Umar say" "The Prophet used to fast three days of each month.

"The Prophet used to fast the ten (days), and three days of each month: Monday and Thursday."

"The Messenger of Allah used to enjoin fasting three days: The first Thursday, and Monday and Monday."