The Book on Fasting
8/35. Chapter:
Performing A Voluntary Fast Without Planning It The Night Before
Jami at-Tirmidhi
حَدَّثَنَا هَنَّادٌ، حَدَّثَنَا وَكِيعٌ، عَنْ طَلْحَةَ بْنِ يَحْيَى، عَنْ عَمَّتِهِ، عَائِشَةَ بِنْتِ طَلْحَةَ عَنْ عَائِشَةَ أُمِّ الْمُؤْمِنِينَ، قَالَتْ دَخَلَ عَلَىَّ رَسُولُ اللَّهِ صلى الله عليه وسلم يَوْمًا فَقَالَ " هَلْ عِنْدَكُمْ شَيْءٌ " . قَالَتْ قُلْتُ لاَ . قَالَ " فَإِنِّي صَائِمٌ " .
Aishah, the Mother of the Believers, narrated: "The Messenger Of Allah Visited Me One Day And Said: 'Do You Have Anything (To Eat)?'" She Said: "I Said: 'No.' He Said: 'Then I Am Fasting.'"
Reference : Jami` at-Tirmidhi 733In-book reference : Book 8, Hadith 52English translation : Vol. 2, Book 3, Hadith 733