Jami` at-Tirmidhi 165
جامع الترمذي#165Sahihحَدَّثَنَا مُحَمَّدُ بْنُ عَبْدِ الْمَلِكِ بْنِ أَبِي الشَّوَارِبِ، حَدَّثَنَا أَبُو عَوَانَةَ، عَنْ أَبِي بِشْرٍ، عَنْ بَشِيرِ بْنِ ثَابِتٍ، عَنْ حَبِيبِ بْنِ سَالِمٍ، عَنِ النُّعْمَانِ بْنِ بَشِيرٍ، قَالَ أَنَا أَعْلَمُ النَّاسِ، بِوَقْتِ هَذِهِ الصَّلاَةِ كَانَ رَسُولُ اللَّهِ صلى الله عليه وسلم يُصَلِّيهَا لِسُقُوطِ الْقَمَرِ لِثَالِثَةٍ " .
An-Nu'man bin Bashir said:"I am the most knowledgeable among the people about the prescribed time of this prayer: Allah's Messenger would pray it when the moon set on the third (of the month)
Scholarly Authentication
The label above is the grade most of these scholars gave, each scholar counted once — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. When they judged only its chain of narrators (“Isnaad”), the label says “Sound chain”. Each scholar's own wording:
Our source also lists this ruling under Ahmad Muhammad Shakir, the editor of the printed edition it was taken from. It is al-Albani's ruling printed again, so it is counted once.
In-book reference: 2:17