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tabarani:4036Aḥmad b. Zuhayr al-Tustarī > Muḥammad b. Manṣūr al-Ṭūsī > ʿAlī b. Thābit al-Dahhān

[Machine] I said, "O Messenger of Allah, what are these four units of prayer?" He said, "These are the hours in which the gates of heaven are opened and do not close until Dhuhr prayer is performed, so I prefer to perform them earlier."  

الطبراني:٤٠٣٦حَدَّثَنَا أَحْمَدُ بْنُ زُهَيْرٍ التُّسْتَرِيُّ ثنا مُحَمَّدُ بْنُ مَنْصُورٍ الطُّوسِيُّ ثنا عَلِيُّ بْنُ ثَابِتٍ الدَّهَّانُ ثنا الْمُفَضَّلُ الْحَنَفِيُّ عَنْ سَعِيدِ بْنِ مَسْرُوقٍ عَنِ الْمُسَيَّبِ بْنِ رَافِعٍ عَنِ الْقَرْثَعِ عَنْ أَبِي أَيُّوبَ قَالَ

قُلْتُ يَا رَسُولَ اللهِ مَا هَذِهِ الْأَرْبَعُ رَكَعَاتٍ؟ قَالَ «هَذِهِ السَّاعَةُ فِيهَا تُفْتَحُ أَبْوَابُ السَّمَاءِ وَلَا تَرْتَجُّ حَتَّى يُصَلَّى الظُّهْرُ فَأُحِبُّ أَنْ أُقَدِّمَ»