Abdullah b. 'Umar (Allah be pleased with them) reported that (the Arabs of) pre-Islamic days used to observe fast on the day of Ashura and the Messenger of Allah (ﷺ) observed it and the Muslims too (observed it) before fasting in Ramadan became obligatory. But when it became obligatory, the Messenger of Allah (ﷺ) said:
Reference | : Sahih Muslim 1126a |
In-book reference | : Book 13, Hadith 148 |
USC-MSA web (English) reference | : Book 6, Hadith 2504 |
(deprecated numbering scheme) |