Sunan an-Nasa'i 2122

سنن النسائي#2122Sahih

It was narrated form Ibn 'Umar that the Prophet said:"D not fast until you see it , and do not stop fasting until you see it, and if it is obscured from you (too cloudy), then work it out

Scholarly Authentication

We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:

Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiIsnaad Sahih

In-book reference: 22:33