Sahih Muslim | Book 6 | Chapter 17

Narrated by 'Aisha (Allah be pleased with her)
'Aisha (Allah be pleased with her) reported that Hamza b. 'Amr al-Aslami asked the Messenger of Allah (may peace be upon him) about fasting on a journey, and he (the Holy Prophet) said: Fast if you like and break it if you like.

Narrated by 'Aisha (Allah be pleased with her)
'Aisha (Allah be pleased with her) reported that Hamza b. Amr al-Aslami asked the Messenger of Allah (may peace be upon him) thus: Messenger of Allah, I am a person devoted much to fasting. Should I fast during the journey? He (the Holy Prophet) said: Fast if you like and break it if you like.

Narrated by Hisham
This hadith has been narrated on the authority of Hisham with the same chain of transmitters.

Narrated by Hisham
This hadith has been narrated on the authority of Hisham with the same chain of transmitters that Hamza said: I am a person much used to fasting. Should I fast during the journey? (The rest of the hadith is the same.)

Narrated by Hamza b. 'Amr al-Aslami (Allah be pleased with him)
Hamza b. 'Amr al-Aslami (Allah be pleased with him) said: Messenger of Allah, I find strength in me for fasting on a journey; is there any sin upon me (in doing it)? Thereupon the Messenger of Allah (may peace be upon him) said: It is a concession from Allah.He who took advantage of it, it is good for him, and he who preferred to observe fast, there is no sin upon him. Harun (one of the narrators) in his narration said: "It is a concession, and he made no mention of 'from Allah'".

Narrated by Abu Darda' (Allah be pleased with him)
Abu Darda' (Allah be pleased with him) reported: We set out during the month of Ramadan with the Messenger of Allah (may peace be upon him) in such an intense heat that one of us would place his hand over his head (in order to protect himself) against the excessive heat, and none among us was observing the fast, except the Messenger of Allah (may peace be upon him) and 'Abdullah b. Rawaha.

Narrated by Abu Darda'
Abu Darda' reported: We were with the Messenger of Allah (may peace be upon him) on some of his journeys on an intensely hot day so much so that a person would place his hand on his head (in order to protect himself) against excessive heat, and none amongst us was fasting but the Messenger of Allah (may peace be upon him) and Abdullah b. Rawaha