Riyad as-SalihinChapter 8Hadith 470
Full Sharh — Riyad as-Salihin 470
وعنه عن النبي، صلى الله عليه وسلم قال: "الصلوات الخمس والجمعة إلى الجمعة، ورمضان إلى رمضان، مكفرات ما بينهن إذا اجتنبت الكبائر" ((رواه مسلم)).
English Translation
Abu Hurairah (May Allah be pleased with him)reported:: The Prophet (ﷺ) said, "The five daily (prescribed) Salat, and Friday (prayer) to the next Friday (prayer), and the fasting of Ramadan to the next Ramadan, is expiation of the sins committed in between them, so long as major sins are avoided.".
Source
Riyad as-Salihin(رياض الصالحين)
The Book of Virtues
Hadith Number
470