From Maghrib to Dawn: Bukhārī in the Dār al-Ḥadīth and Footsteps No One Heard
Answer
Maghrib and the time before ʿIshāʾ. The adhān would begin, the assembly broke up and all went to the mosque; Ḥaḍrat Wālā generally took his place in the first row. After the congregational prayer he would pray six rakʿats of awwābīn, reciting in them not less than a whole juzʾ.
Source: Fatawa Mahmudiyya
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