Sahih Muslim 2659

Abu Musa (Allah be pleased with him) reported: The day of 'Ashura was one which the Jews respected and they treated it as Id. The Messenger of Allah ( ‌صلی ‌اللہ ‌علیہ ‌وسلم ‌ ) said: You also observe fast on this day. ..

Abu Musa reported that the people of Khaibar (most of them were Jews) observed fast on the day of 'Ashura and they treated it as 'Id and gave their women ornaments and beautiful dresses to wear. The Messenger of Allah ( ‌صلی ‌اللہ ‌علیہ ‌وسلم ‌ )..

Ibn Abbas was asked about observing of fast on the day of Ashura, whereupon he said: I do not know Allah's Messenger ( ‌صلی ‌اللہ ‌علیہ ‌وسلم ‌ ) singling out any day's fast and considering it more excellent than another, except this day (the day..

A hadith like this has been narrated on the authority of 'Ubaidullah b. Abi Yazid. ..

Hakam b. al-'Araj reported: I went to Ibn 'Abbas (Allah be Pleased with both of them) and he was reclining using his mantle as a pillow near the fountain of Zamzam. I said to him: Tell me about fasting on Ashura. He said: When you see the new moon..

Hakam b. 'Araj reported: I asked Ibn Abbas (Allah be pleased with them) as he was reclining using his cloak as a pillow near Zamzam about fasting on 'Ashura. The rest of the hadith is the same. ..