The virtue of fasting is the month of Sha'baan
The month of Sha'baan, the Prophet (peace and blessings of Allaah be upon him) used to fast a lot of fasting in it; as stated in al-Saheehayn from 'Aa'ishah - may Allaah be pleased with her - she said: "I did not see the Prophet (peace and blessings of Allaah be upon him) He fasted only a little of it "(Bukhari and Muslim.

It was narrated that 'Aa'ishah (may Allaah be pleased with her) said: "I did not see the Messenger of Allaah (peace and blessings of Allaah be upon him) complete the fast of a month only
Ramadan and what I saw in a month rather than fasting in Shaaban) Narrated by Bukhari and Muslim.

 

 

And the wisdom of that, as some scholars have said, that many people are unaware of fasting in Sha'baan, so the Prophet (peace and blessings of Allaah be upon him) fasted most of the time, and this was narrated in the hadeeth of Osama. I said: O Messenger of Allaah, I did not fast from a month, People are unaware of him between Rajab and Ramadan, which is a month in which deeds are lifted to the Lord of the Worlds, so I love to raise my work when I am fasting. "Narrated by Abu Dawood, al-Nasaa'i and Sahihah Ibn Khuzaymah.

Is it right to devote half of Sha'baan to fasting or fasting?
Fasting the half, we should not devote the day of the half of Sha'baan to fasting without other days, and that too: the preferred half night
Among the reasons for this are the following: On the night of the second half of Sha'baan, the Prophet (peace and blessings of Allaah be upon him) did not respond to the hadeeth of a saheeh hadeeth,