Sahih al-Bukhari 4501
Book 65: Prophetic Commentary on the Qur'an (Tafseer of the Prophet (pbuh)) · Hadith 28
Hadith text
Narrated Ibn `Umar:Fasting was observed on the day of 'Ashura' (i.e. 10th of Muharram) by the people of the Pre-Islamic Period. But when (the order of compulsory fasting) in the month of Ramadan was revealed, the Prophet said, "It is up to one to fast on it (i.e. day of 'Ashura') or not
Ibn Umar bataate hain: Jaahiliyat ke daur ke log Ashura (yaani Muharram ki dus tareekh) ke din roza rakha karte the. Magar jab Ramzan (ke farz roze) ka hukm naazil hua, to Nabi (SAW) ne farmaya, 'Ab jo chaahe Ashura ka roza rakhe, jo na chaahe na rakhe.'
Sahih al-Bukhari 4501 · Book 65, Hadith 28
Read all hadith in Book 65: Prophetic Commentary on the Qur'an (Tafseer of the Prophet (pbuh))