Mishkat
al-Masabih
مشكاة المصابيح
04
Prayer
كتاب الصلاة
Chapter 6c: The Excellence of the Adhan and the Response to the Mu’adhdhin - Section 3
باب فضل الأذان وإجابة المؤذن - الفصل الثالث
Mishkat al-Masabih 679
He said, “We used to receive command to make a supplication when the call to the sunset prayer was being made.” Baihaqi transmitted it in ad-Da'awal al-kabir.
وَعَنْهُ قَالَ: كُنَّا نُؤْمَرُ بِالدُّعَاءِ عِنْدَ أَذَانِ الْمغرب. رَوَاهُ الْبَيْهَقِيّ