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Hadith about Fasting on the Day of Doubt

41 hadith on this topic, one card per hadith and its versions; authentic ones first. 26 are translated into English.

Not graded Muttafaq ‘alayh (Bukhari and Muslim) Riyad as-Salihin 1221

The Messenger of Allah (ﷺ) said, "Observe Saum (fast) on sighting the crescent and terminate it on sighting it (the new moon), but if the sky is cloudy before you, then complete the number (thirty days) of the month." [Al-Bukhari and Muslim].

وعنه أن رسول الله صلى الله عليه وسلم قال‏:‏ ‏"‏صوموا لرؤيته، وأفطروا لرؤيته، فإن غَبِيَ عليكم فأكملوا عدة شعبان ثلاثين‏"‏ ‏(‏‏(‏متفق عليه وهذا لفظ البخاري‏)‏‏)‏‏.‏ وفي رواية مسلم‏:‏ ‏"‏فإن غم عليكم فصوموا ثلاثين…

+ 24 other versions

Not graded Muttafaq ‘alayh (Bukhari and Muslim) Riyad as-Salihin 1224

The Prophet (ﷺ) said, "Do not observe Saum (fasting) for a day or two days preceding Ramadan. However, if a person is in the habit of observing Saum on a particular day (which may fall on these dates), he may fast on that day." [Al-Bukhari and Muslim].

"‏لا يتقدمن أحدكم رمضان بصوم يوم أو يومين، إلا أن يكون رجل كان يصوم صومه، فليصم ذلك اليوم‏"

Narrated by Abu Hurayrah + 7 other versions

Tuesday, October 20, 2026 9 جمادى الأولى 1448 هـ