حَدَّثَنَا عَفَّانُ حَدَّثَنَا وُهَيْبٌ حَدَّثَنَا أَيُّوبُ عَنْ عِكْرِمَةَ عَنِ ابْنِ عَبَّاسٍ عَنْ النَّبِيِّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ قَالَ الْتَمِسُوهَا فِي الْعَشْرِ الْأَوَاخِرِ مِنْ رَمَضَانَ فِي تَاسِعَةٍ تَبْقَى أَوْ سَابِعَةٍ تَبْقَى أَوْ خَامِسَةٍ تَبْقَى
مسند امام احمد بن حنبل · Hadith 2520
It was narrated from Ibn 'Abbas (RA) that the Prophet (PBUH) said: "Seek it in the last ten nights of Ramadan, the twenty ninth or the twenty seventh or the twenty fifth."
Translated by Dr. Muhammad Muhsin Khan · Reviewed by Islamic University of Madinah · Published March 2020