(40) باب فَضْلِ لَيْلَةِ الْقَدْرِ وَالْحَثِّ عَلَى طَلَبِهَا وَبَيَانِ مَحَلِّهَا وَأَرْجَى أَوْقَاتِ طَلَبِهَا
Ibn 'Umar (Allah be pleased with them) reported Allah's Apostle (ﷺ) as saying:
Seek Lailat-ul-Qadr in the last week (of Ramadan). (IT)
Reference (IT): Sahih Muslim 1165 b (IT)
In-book reference (IT): Book 13, Hadith 268 (IT)
USC-MSA web (English) reference(deprecated numbering scheme): Book 6, Hadith 2618 (IT)