Sunan Abi Dawud 2330
سنن أبي داود#2330HasanSulaiman 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
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniMaqtu
Muhammad Muhyi Al-Din Abdul HamidMaqtu
Zubair Ali ZaiIsnaad Hasan
In-book reference: 14:18