٥ـ مُحَمَّدُ بْنُ يَحْيَى عَنْ مُحَمَّدِ بْنِ أَحْمَدَ عَنِ السَّيَّارِيِّ عَنِ الْفَضْلِ بْنِ أَبِي قُرَّةَ رَفَعَهُ عَنْ أَبِي عَبْدِ الله (عَلَيْهِ الْسَّلام) قَالَ سُئِلَ عَنِ الْخَمْسِينَ وَالْوَاحِدِ رَكْعَةً فَقَالَ إِنَّ سَاعَاتِ النَّهَارِ اثْنَتَا عَشْرَةَ سَاعَةً وَسَاعَاتِ اللَّيْلِ اثْنَتَا عَشْرَةَ سَاعَةً وَمِنْ طُلُوعِ الْفَجْرِ إِلَى طُلُوعِ الشَّمْسِ سَاعَةٌ وَمِنْ غُرُوبِ الشَّمْسِ إِلَى غُرُوبِ الشَّفَقِ غَسَقٌ وَلِكُلِّ سَاعَةٍ رَكْعَتَانِ وَلِلْغَسَقِ رَكْعَةٌ.
5. Muhammad ibn Yahya has narrated from Muhammad ibn Ahmad from af-Sayyariy from af-Fadf ibn abu Qurrah in a in a marfu‘ manner who has said the following: “Abu ‘Abd Allah , was asked about fifty-one Rak‘at Salah (prayer) daily. He replied, ‘There are twelve hours in the day and twelve in the night. There is one hour between dawn and sunrise. From sunset to disappearing of western brightness is darkness. For every hour there are two Rak‘at and one Rak‘at for darkness.’” 