مشكوة المصابيح
Mishkat al-Masabih
كتاب الصلاة
The Book of Prayer
(سَيِّدُنَا أَبُوبَكْرٍ وَسَيِّدُنَا عُمَرَ رَضِيَ اللَّهُ عَنْهُمَا يَقُولَانِ السَّبْعَ وَالْخَمْسَ فِي صَلَاةِ الْعِيدِ وَالِاسْتِسْقَاءِ)
(Sayyiduna Abu Bakr and Umar used to say seven and five takbirs in Eid and Istisqa prayers)
Hadith 1442
وَعَنْ جَعْفَرِ بْنِ مُحَمَّدٍ مُرْسَلًا أَنَّ النَّبِيَّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ وَأَبَا بَكْرٍ وَعُمَرَ كَبَّرُوا فِي الْعِيدَيْنِ وَالِاسْتِسْقَاءِ سَبْعًا وَخَمْسًا وَصَلَّوْا قبل الْخطْبَة وجهروا بِالْقِرَاءَةِ. رَوَاهُ الشَّافِعِي
Ja'far b. Muhammad told in mursal form that the Prophet, Abu Bakr and ‘Umar said “God is most great” at the two festivals and when praying for rain seven times in the first rak'a and five times in the second. They prayed before the sermon, and recited the Qur’an in a loud voice. Shafi‘i transmitted it.
