Aswad bin Qays reported,

With this chain of transmission, but he did not mention thirty for the second month.

Muslim 2512

Sahih

و حدثنيه محمد بن حاتم حدثنا ابن مهدي عن سفيان

عن الأسود بن قيس

بهذا الإسناد ولم يذكر للشهر الثاني ثلاثين

مسلم 2512صحيح
Contents
Reference
Commentary
Ayat
Collection
Sahih Muslim
Book
Fasting
Chapter
Obligation of fasting Ramadan upon sighting Hilal and breaking the fast upon sighting Hilal, and that if it is obscured at its beginning or end the month is completed as thirty days
Numbering
Darussalam 2512
Muslim 2512