Riyad as-Salihin

Riyad as-Salihin 1764

Prohibition of Extending Fast beyond one Day
The Book of the Prohibited actions Search within the hadiths
Riyad as-Salihin 1764
Arabic hadith text
عن أبي هريرة وعائشة رضي الله عنهما أن النبي صلى الله عليه وسلم نهى عن الوصال‏.‏ ‏(‏‏(‏متفق عليه‏)‏‏)‏‏.‏
Translation
Abu Hurairah and 'Aishah (May Allah be pleased with them) said

The Prophet (ﷺ) prohibited observing continuous voluntary fasts beyond one day.[Al-Bukhari and Muslim].