Abu Bishr reported,

With this chain of narration, and he said, "A full month consecutively since he arrived in Medina."

Muslim 2725

Sahih

و حدثنا محمد بن بشار وأبو بكر بن نافع عن غندر عن شعبة

عن أبي بشر

بهذا الإسناد وقال شهرا متتابعا منذ قدم المدينة

مسلم 2725صحيح
Contents
Reference
Commentary
Ayat
Collection
Sahih Muslim
Book
Fasting
Chapter
Fasting of the Prophet ﷺ outside Ramadan and the recommendation not to let a month pass without fasting
Numbering
Darussalam 2725
Muslim 2725