Sunan Abu Dawud
2330
Maqtu+2

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

MaqtuAl-Albani
MaqtuMuhammad Muhyi Al-Din Abdul Hamid