Sunan Abi Dawud 2330
سنن أبي داود#2330Hasanحَدَّثَنَا سُلَيْمَانُ بْنُ عَبْدِ الرَّحْمَنِ الدِّمَشْقِيُّ، - فِي هَذَا الْحَدِيثِ - قَالَ قَالَ الْوَلِيدُ سَمِعْتُ أَبَا عَمْرٍو - يَعْنِي الأَوْزَاعِيَّ - يَقُولُ سِرُّهُ أَوَّلُهُ .
Sulaiman b. 'Abd al-Rahman al-Dimashqi said about this tradition that al-Walid said:I heard Abu 'Amr al-Auza'i say: The word sirrahu means beginning of the month
Scholarly Authentication
The label above is the grade most of these scholars gave — 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. Each scholar's own wording:
Al-AlbaniMaqtu
Muhammad Muhyi Al-Din Abdul HamidMaqtu
Zubair Ali ZaiIsnaad Hasan
In-book reference: 14:18