Sahih Muslim

Sahih Muslim 1165 g

The virtue of Lailat Al-Qadr and the Exhortation to seek it; When it is and the most likely times to seek it
Arabic hadith text
وَحَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا عَلِيُّ بْنُ مُسْهِرٍ، عَنِ الشَّيْبَانِيِّ، عَنْ جَبَلَةَ، وَمُحَارِبٍ عَنِ ابْنِ عُمَرَ، - رضى الله عنهما - قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم ‏"‏تَحَيَّنُوا لَيْلَةَ الْقَدْرِ فِي الْعَشْرِ الأَوَاخِرِ ‏"‏ ‏.‏ أَوْ قَالَ ‏"‏ فِي التِّسْعِ الأَوَاخِرِ ‏"
Translation
'Ibn 'Umar (Allah be pleased with both of them) reported Allah's Messenger (ﷺ) as saying

Seek the time of Lailat-ul-Qadr in the last (ten nights), or he said: in the last nine (nights).