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
1849
Sahih Bukhari
Sahih
حَدَّثَنَا عَبْدُ الْعَزِيزِ بْنُ عَبْدِ اللَّهِ، حَدَّثَنَا سُلَيْمَانُ بْنُ بِلاَلٍ، عَنْ حُمَيْدٍ، عَنْ أَنَسٍ ـ رضى الله عنه ـ قَالَ آلَى رَسُولُ اللَّهِ صلى الله عليه وسلم مِنْ نِسَائِهِ، وَكَانَتِ انْفَكَّتْ رِجْلُهُ، فَأَقَامَ فِي مَشْرُبَةٍ تِسْعًا وَعِشْرِينَ لَيْلَةً، ثُمَّ نَزَلَ فَقَالُوا يَا رَسُولَ اللَّهِ آلَيْتَ شَهْرًا. فَقَالَ إِنَّ الشَّهْرَ يَكُونُ تِسْعًا وَعِشْرِينَ "
Narrated Anas:
Allah's Messenger (ﷺ) vowed to keep aloof from his wives for one month, and he had dislocation of his leg. So, he stayed in a Mashruba for 29 nights and then came down. Some people said, "O Allah's Messenger (ﷺ)! You vowed to stay aloof for one month," He replied, "The month is of 29 days."
Reference: Sahih al-Bukhari 1911 In-book : Book 30, Hadith 21 USC-MSA web (English) : Vol. 3, Book 31, Hadith 135 (deprecated)
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