Abdullah bin Umar reported,

Ibn Umar reported, "I heard the Prophet ﷺ say, 'The month is like this, and like this, and like this,'" folding his thumb on the third gesture.

Muslim 2506

Sahih

حدثنا هارون بن عبد الله حدثنا روح بن عبادة حدثنا زكرياء بن إسحق حدثنا عمرو بن دينار أنه سمع

ابن عمر رضي الله عنهما يقول

ا سمعت النبي ﷺ يقول الشهر هكذا وهكذا وهكذا وقبض إبهامه في الثالثة

مسلم 2506صحيح
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 2506
Muslim 2506