He reported God’s messenger as saying, "Calculate on the basis of the new moon of Sha'ban when Ramadan begins." Tirmidhi transmitted it.

Anas reported God's messenger as saying, “Take a meal a little before dawn, for there is a blessing in taking a meal at that time.”(Bukhari and Muslim.)

Hafsa reported God’s messenger as saying, “He who does not before dawn express his intention of fasting is not credited with it.” Tirmidhi, Abu Dawud, Nasa’i and Darimi transmitted it. Abu Dawud said that Ma'mar, az-Zubaidi, Ibn ‘Uyaina and Yunus al-Aili, all of whom got it on Zuhri’s authority, traced it no farther back than Hafsa.

Zaid b. Khalid reported God’s messenger as saying, ‘He who gives one who has been fasting something with which to break his fast, or who equips a fighter will have a reward equivalent to his.” Baihaqi transmitted it in Shu'ab al-iman, and Muhyi as-sunna, who said it is sahih, in Sharh as-sunna.

Mu'adh b. Zuhra told that when the Prophet broke his fast he said, “O God, for Thee I have fasted and with Thy provision I have broken my fast.”Abu Dawud transmitted it in mursal form.

She said that God’s messenger would be overtaken by the dawn in Ramadan when he was in a state of sexual defilement, not owing to a dream, and would wash and fast. (Bukhari and Muslim.)

Ma'dan b. Talha said Abu Darda’ told him that God’s messenger vomited and broke his fast. He said that he met Thauban in the mosque of Damascus, and when he remarked that Abu Darda’ told him that God’s messenger vomited and broke his fast he said, "He spoke the truth; and I was the one who poured out the water for his ablution."Abu Dawud, Tirmidhi and Darimi transmitted it.

Shaddad b. Aus said that when God’s messenger was walking hand in hand with him on the eighteenth of Ramadan he came across a man in al-Baqi who was being cupped and said, “The one who cups and the one who is cupped have broken their fast.” Abu Dawud, Ibn Majah and Darimi transmitted it. The shaikh and imam Muhyi as-sunna said that some of those who allow cupping have interpreted it as meaning that they exposed themselves to the danger of breaking the fast, the one who was cupped on account of weakness, and the one who did the cupping because he could not guarantee that something would not get into his stomach by sucking the flask.

‘Ata’ said, “If one rinses his mouth and ejects the water in it, swallowing his saliva and anything that remains in it does him no harm; but one should not chew gum, for although I do not say that he breaks his fast [if] he swallows the saliva produced by the gum, he is nevertheless prohibited from doing it.” Bukhari transmitted it in a chapter heading.

Anas said that in the course of a journey with the Prophet when some of them were fasting and others broke their fast, they alighted at a stage on a hot day, and while those who fasted collapsed those who had broken their fast rose and set up the tents and watered the riding-beasts, whereupon God's messenger said, “Those who broke their fast have earned all the reward today.” (Bukhari and Muslim.)

Jabir said that God’s messenger went off to Mecca in Ramadan in the year of the Conquest, and he and the people fasted till he came to Kura' al-Ghamim.* He then called for a cup of water which he raised till the people looked at it, and then he drank. He was told afterwards that some of the people had continued to fast, and said, “Those are the disobedient ones; those are the disobedient ones.” *A wadi two stages from Mecca on the way to Medina.Muslim transmitted it.

‘Abd ar-Rahman b. ‘Auf reported God’s messenger as saying, “One who fasts in Ramadan while travelling is like one who breaks his fast when not travelling.” Ibn Majah transmitted it.

Hamza b. ‘Amr al-Aslami told God’s messenger that he found himself strong enough to fast while travelling and asked whether it would be wrong for him to do so. He was told that licence had been given by God who is great and glorious, so that if anyone acted upon this he did well, but if anyone wished to fast he would not be guilty of sin. Muslim transmitted it.

Mu'adha al-‘Adawiya said that when she asked ‘A'isha why one who has been menstruating must make up for her fast but not for her prayer, she replied, “That happened to us, and we were ordered to make up for the fast, but were not ordered to make up for the prayer.” Muslim transmitted it.

‘Abdallah b. Shaqiq said that when he asked ‘A'isha whether the Prophet used to fast a whole month she replied, "I never knew him to fast a whole month except Ramadan, nor to refrain from fasting some part of every month till he died." Muslim transmitted it.

Abu Huraira reported God’s messenger as saying, “The most excellent fast after Ramadan is in God’s month al-Muharram, and the most excellent prayer after what is prescribed is prayer during the night."Muslim transmitted it.

He said that when God’s messenger fasted on the day of ‘Ashura’ and commanded that it should be observed as a fast, he was told it was a day held in honour by Jews and Christians, and said, “If I am spared till next year I shall fast on the ninth.” Muslim transmitted it.

Abu Qatada said that when a man came to the Prophet and asked him how he fasted, he was angry at what he said, and when 'Umar observed his anger he said, “We are satisfied with God as Lord, with Islam as religion and with Muhammad as Prophet. We seek refuge in God from the anger of God and His messenger.” ‘Umar kept on repeating these words till his anger calmed down, then asked, “Messenger of God, what is the position of one who observes a perpetual fast?” He replied, “May he not fast or break his fast!” or he said, “He has neither fasted nor broken his fast.” He asked, “What is the position of one who fasts two days out of every three?” and received the reply, “Is anyone able to do that?” He asked what was the position of one who fasted every second day and was told that was the fast David observed. He asked what was the position of one who fasted one day out of every three, and God’s messenger replied, “I wish I were given power to observe that.” Thereafter he said, “The observance of three days’ fast every month and of Ramadan every year is a perpetual fast. I seek from God that fasting on the day of ‘Arafa may atone for the sins of the preceding and the coming year, and I seek from God that fasting on the day of ‘Ashura’ may atone for the sins of the preceding year.” Muslim transmitted it.

He said that when God’s messenger was asked about fasting on Monday he said, “On it I was born and on it the revelation was first sent down to me.”* *The meaning seems to be that as this day is so distinguished, one could not choose a better one.Muslim transmitted it.

Abu Sa'id al-Khudri said God’s messenger forbade fasting on the day of breaking the fast of Ramadan and on the day of sacrifice.(Bukhari and Muslim.)