Narrated Salama bin Al-Akwa`:
Once the Prophet (ﷺ) ordered a person on 'Ashura' (the tenth of Muharram) to announce, "Whoever has eaten, should not eat any more, but fast, and who has not eaten should not eat, but complete his fast (till the end of the day).
Reference | : Sahih al-Bukhari 1924 |
In-book reference | : Book 30, Hadith 33 |
USC-MSA web (English) reference | : Vol. 3, Book 31, Hadith 147 |
(deprecated numbering scheme) |