The Adhan pronounced by a blind man (is permissible) when there is a person to inform him about the time of the Salat (prayer)
باب أَذَانِ الأَعْمَى إِذَا كَانَ لَهُ مَنْ يُخْبِرُهُ
1846
Sahih Bukhari
Sahih
حَدَّثَنَا أَبُو الْوَلِيدِ، حَدَّثَنَا شُعْبَةُ، عَنْ جَبَلَةَ بْنِ سُحَيْمٍ، قَالَ سَمِعْتُ ابْنَ عُمَرَ ـ رضى الله عنهما ـ يَقُولُ قَالَ النَّبِيُّ صلى الله عليه وسلم الشَّهْرُ هَكَذَا وَهَكَذَا " وَخَنَسَ الإِبْهَامَ فِي الثَّالِثَةِ
Narrated Ibn `Umar:
The Prophet (ﷺ) said, "The month is like this and this," (at the same time he showed the fingers of both his hands thrice) and left out one thumb on the third time.
Reference: Sahih al-Bukhari 1908 In-book : Book 30, Hadith 18 USC-MSA web (English) : Vol. 3, Book 31, Hadith 132 (deprecated)
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