Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
bayhaqi:8531[Chain 1] Abū al-Ḥasan ʿAlī b. Muḥammad al-Muqriʾ > al-Ḥasan b. Muḥammad b. Isḥāq > Yūsuf b. Yaʿqūb al-Qāḍī > Abū al-Rabīʿ [Chain 2] Abū ʿAbdullāh al-Ḥāfiẓ > Abū Jaʿfar Muḥammad b. Ṣāliḥ b. Hāniʾ > Muḥammad b. Nuʿaym > Qutaybah > Ismāʿīl b. Jaʿfar > Abū Suhayl Nāfiʿ b. Mālik from his father > ʿĀʾishah

[Machine] The Messenger of Allah ﷺ said, "Seek Laylat al-Qadr (the Night of Decree) in the odd nights of the last ten nights of Ramadan."  

البيهقي:٨٥٣١أَخْبَرَنَا أَبُو الْحَسَنِ عَلِيُّ بْنُ مُحَمَّدٍ الْمُقْرِئُ أنبأ الْحَسَنُ بْنُ مُحَمَّدِ بْنِ إِسْحَاقَ ثنا يُوسُفُ بْنُ يَعْقُوبَ الْقَاضِي ثنا أَبُو الرَّبِيعِ ح وَأَخْبَرَنَا أَبُو عَبْدِ اللهِ الْحَافِظُ أَخْبَرَنِي أَبُو جَعْفَرٍ مُحَمَّدُ بْنُ صَالِحِ بْنِ هَانِئٍ ثنا مُحَمَّدُ بْنُ نُعَيْمٍ ثنا قُتَيْبَةُ قَالَا ثنا إِسْمَاعِيلُ بْنُ جَعْفَرٍ عَنْ أَبِي سُهَيْلٍ نَافِعِ بْنِ مَالِكٍ عَنْ أَبِيهِ عَنْ عَائِشَةَ ؓ أَنَّ

رَسُولَ اللهِ ﷺ قَالَ تَحَرَّوْا لَيْلَةَ الْقَدْرِ فِي الْوِتْرِ مِنَ الْعَشْرِ الْأَوَاخِرِ مِنْ رَمَضَانَ  

رَوَاهُ الْبُخَارِيُّ فِي الصَّحِيحِ عَنْ قُتَيْبَةَ بْنِ سَعِيدٍ وَرُوِّينَا أَيْضًا عَنْ أَبِي سَعِيدٍ الْخُدْرِيِّ وَغَيْرِهِ عَنِ النَّبِيِّ ﷺ

See similar narrations below:

Collected by Mālik
malik:19-12Ziyād > Mālik > Hishām b. ʿUrwah from his father

Ziyad related to me from Malik from Hisham ibn Urwa from his father that the Messenger of Allah ﷺ said, "Search for Laylat al-Qadr in the last ten days of Ramadan."  

مالك:١٩-١٢وَحَدَّثَنِي زِيَادٌ عَنْ مَالِكٍ عَنْ هِشَامِ بْنِ عُرْوَةَ عَنْ أَبِيهِ

أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ تَحَرَّوْا لَيْلَةَ الْقَدْرِ فِي الْعَشْرِ الأَوَاخِرِ مِنْ رَمَضَانَ  

malik:19-13Ziyād > Mālik > ʿAbdullāh b. Dīnār > ʿAbdullāh b. ʿUmar

Ziyad related to me from Malik from Abdullah ibn Dinar from Abdullah ibn Umar that the Messenger of Allah ﷺ said. "Search for Laylat al-Qadr in the last seven days."  

مالك:١٩-١٣وَحَدَّثَنِي زِيَادٌ عَنْ مَالِكٍ عَنْ عَبْدِ اللَّهِ بْنِ دِينَارٍ عَنْ عَبْدِ اللَّهِ بْنِ عُمَرَ

أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ تَحَرَّوْا لَيْلَةَ الْقَدْرِ فِي السَّبْعِ الأَوَاخِرِ