Sahih Muslim

Sahih Muslim, Hadith 1165b

Book 13: The Book of Fasting
Chapter 40: Chapter: The virtue of Lailat Al-Qadr and the Exhortation to seek it; When it is and the most likely times to seek it

باب فَضْلِ لَيْلَةِ الْقَدْرِ وَالْحَثِّ عَلَى طَلَبِهَا وَبَيَانِ مَحَلِّهَا وَأَرْجَى أَوْقَاتِ طَلَبِهَا

وَحَدَّثَنَا يَحْيَى بْنُ يَحْيَى، قَالَ قَرَأْتُ عَلَى مَالِكٍ عَنْ عَبْدِ اللَّهِ بْنِ دِينَارٍ، عَنِ ابْنِ، عُمَرَ - رضى الله عنهما - عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ ‏"‏ تَحَرَّوْا لَيْلَةَ الْقَدْرِ فِي السَّبْعِ الأَوَاخِرِ ‏"‏ ‏.‏

Ibn 'Umar (Allah be pleased with them) reported Allah's Apostle (ﷺ) as saying:

Seek Lailat-ul-Qadr in the last week (of Ramadan).

Read it in place: 13. The Book of Fasting