Sunan an-Nasa'i 528

سنن النسائي#528Sahih

It was narrated that An-Nu'man bin Bashir said:"I am the most knowledgeable of people about the time of the 'Isha' prayer. The Prophet (ﷺ) used to pray it when the moon set on the third night of the month

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 ZaiSahih

In-book reference: 6:35