Narrated 'Imran bin Husain:
The Messenger of Allah (ﷺ) asked a man: Did you fast the last day of Sha'ban ? He replied: No. He said: If you did not observe a fast, you must fast for a day. One of the two narrators said: For two days.
Narrated Mu'awiyah:
AbulAzhar al-Mughirah ibn Farwah said: Mu'awiyah stood among the people at Dayr Mustahill lying at the gate of Hims. He said: O people, we sighted the moon on such-and-such day. We shall fast in adva…
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.
Narrated Ahmad b. 'Abd al-Wahid:
On the authority of Abu Mushir. He said: Sa'id, that is, Ibn 'Abd al-'Aziz said: The meaning of the word sirraha is "in the beginning of it (the month)"