Narrated Ziyad bin Jubair: A man went to Ibn `Umar I. and said, "A man vowed to fast one day (the sub-narrator thinks that he said that the day was Monday), and that day happened to be `Id day." Ibn `Umar said, "Allah orders vows to be fulfilled and the Prophet forbade the fasting on this day (i.e. Id).

Narrated Abu Sa`id Al-Khudri: (who fought in twelve Ghazawat in the company of the Prophet). I heard four things from the Prophet and they won my admiration. He said; -1. "No lady should travel on a journey of two days except with her husband or a Dhi-Mahram; -2. "No fasting is permissible on the two days of Id-ul-Fitr and `Id-ul-Adha; -3. "No prayer (may be offered) after the morning compulsory prayer until the sun rises; and no prayer after the `Asr prayer till the sun sets; -4. "One should travel only for visiting three Masjid (Mosques): Masjid-al-Haram (Mecca), Masjid-al- Aqsa (Jerusalem), and this (my) Mosque (at Medina).

Narrated Yahya: Hisham said, "My father said that 'Aishah (ra) used to observe Saum (fast) on the days of Mina." His (i.e., Hisham's) father also used to observe Saum on those days.

Narrated `Aisha and Ibn `Umar: Nobody was allowed to fast on the days of Tashriq except those who could not afford the Hadi (Sacrifice).

Narrated `Aisha and Ibn `Umar: Nobody was allowed to fast on the days of Tashriq except those who could not afford the Hadi (Sacrifice).

Narrated Ibn `Umar: Fasting for those who perform ,Hajj-at-Tamattu` (in lieu of the Hadi which they cannot afford) may be performed up to the day of `Arafat. And if one does not get a Hadi and has not fasted (before the `Id) then one should fast of the days of Mina. (11, 12 and 13th of Dhul Hajja).

Narrated Salim's father: The Prophet said, "Whoever wishes may fast on the day of 'Ashura'."

Narrated `Aisha: Allah's Apostle ordered (the Muslims) to fast on the day of 'Ashura', and when fasting in the month of Ramadan was prescribed, it became optional for one to fast on that day ('Ashura') or not.

Narrated Aisha: Quraish used to fast on the day of 'Ashura' in the Pre-Islamic period, and Allah's Apostle too, used to fast on that day. When he came to Medina, he fasted on that day and ordered others to fast, too. Later when the fasting of the month of Ramadan was prescribed, he gave up fasting on the day of 'Ashura' and it became optional for one to fast on it or not.

Narrated Humaid bin `Abdur Rahman: That he heard Muawiya bin Abi Sufyan on the day of 'Ashura' during the year he performed the Hajj, saying on the pulpit, "O the people of Medina! Where are your Religious Scholars? I heard Allah's Apostle saying, 'This is the day of 'Ashura'. Allah has not enjoined its fasting on you but I am fasting it. You have the choice either to fast or not to fast (on this day).' "