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.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī

ذِكْرُ الْخَبَرِ الدَّالِّ عَلَى أَنَّ لَيْلَةَ الْقَدْرِ تَنْتَقِلُ فِي الْعَشْرِ الْأَوَاخِرِ فِي كُلِّ سَنَةٍ دُونَ أَنْ يَكُونَ كَوْنُهَا فِي السِّنِينَ كُلِّهَا فِي لَيْلَةٍ وَاحِدَةٍ

ibnhibban:3687 – Abū Yaʿlá > Muḥammad b. Abū Bakr al-Muqaddamī > Yazīd b. Zurayʿ And Bishr b. al-Mufaḍḍal > al-Jurayrī > Abū Naḍrah > Abū Saʿīd

[Machine] The Messenger of Allah ﷺ observed I'tikaf during the middle ten days of Ramadan, while seeking the Night of Qadr. When those days had passed, he ordered the construction to be torn down and it was revealed to him that it was in the last ten days of Ramadan. So he came out to the people and said, "O people, indeed I was informed about the Night of Qadr, but I was made to forget it, so search for it in the seventh night or in the fifth night."  

ابن حبّان:٣٦٨٧ – أَخْبَرَنَا أَبُو يَعْلَى قَالَ حَدَّثَنَا مُحَمَّدُ بْنُ أَبِي بَكْرٍ الْمُقَدَّمِيُّ قَالَ حَدَّثَنَا يَزِيدُ بْنُ زُرَيْعٍ وَبِشْرُ بْنُ الْمُفَضَّلِ قَالَا حَدَّثَنَا الْجُرَيْرِيُّ عَنْ أَبِي نَضْرَةَ عَنْ أَبِي سَعِيدٍ قَالَ

اعْتَكَفَ رَسُولُ اللَّهِ ﷺ الْعَشْرَ الْأَوْسَطَ مِنْ رَمَضَانَ وَهُوَ يَلْتَمِسُ لَيْلَةَ الْقَدْرِ فَلَمَّا انْقَضَى أَمَرَ بِالْبِنَاءِ فَنُقِضَ فَأُبِينَتْ لَهُ أَنَّهَا فِي الْعَشْرِ الْأَوَاخِرِ مِنْ رَمَضَانَ فَخَرَجَ إِلَى النَّاسِ فَقَالَ «أَيُّهَا النَّاسُ إِنِّي قَدْ أُبِينَتْ لِي لَيْلَةُ الْقَدْرِ فَخَرَجْتُ أُحَدِّثُكُمْ بِهَا فَجَاءَ رَجُلَانِ يَخْتَصِمَانِ وَمَعَهُمَا الشَّيْطَانُ فَنُسِّيتُهَا فَالْتَمِسُوهَا فِي السَّابِعَةِ وَالْتَمِسُوهَا فِي الْخَامِسَةِ»  

See similar narrations below:

Collected by Nasāʾī's Kubrá, Suyūṭī
nasai-kubra:3391 – ʿAmr b. Zurārah > Ismāʿīl > Saʿīd al-Jurayrī > Abū Naḍrah > Abū Saʿīd al-Khudrī

[Machine] The Messenger of Allah ﷺ observed i'tikaf during the middle ten days of Ramadan while seeking Laylat al-Qadr before it was made clear to him. When it had elapsed, he commanded that a shelter be constructed but it was torn down. Then, it was revealed that it was in the last ten days, so he ordered for it to be reconstructed and observed i'tikaf during the last ten days. He then came out to the people and said, "I was informed of the night of Laylat al-Qadr, so I came out to inform you of it, but two men along with Satan came to me and I forgot it. So, seek it in the ninth, seventh, and fifth nights."  

الكبرى للنسائي:٣٣٩١ – أَخْبَرَنَا عَمْرُو بْنُ زُرَارَةَ قَالَ أَخْبَرَنَا إِسْمَاعِيلُ عَنْ سَعِيدٍ الْجُرَيْرِيِّ عَنْ أَبِي نَضْرَةَ عَنْ أَبِي سَعِيدٍ الْخُدْرِيِّ قَالَ

اعْتَكَفَ رَسُولُ اللهِ ﷺ الْعَشْرَ الْأَوْسَطَ مِنْ رَمَضَانَ وَهُوَ يَلْتَمِسُ لَيْلَةَ الْقَدْرِ قَبْلَ أَنْ تُبَانَ لَهُ فَلَمَّا انْقَضَيْنَ أَمَرَ بِالْبِنَاءِ فَنُقِضَ ثُمَّ «أُبِينَتْ أَنَّهَا فِي الْعَشْرِ الْأَوَاخِرِ» فَأَمَرَ بِالْبِنَاءِ فَأُعِيدَ وَاعْتَكَفَ الْعَشْرَ الْأَوَاخِرَ فَخَرَجَ عَلَى النَّاسِ فَقَالَ «إِنِّي أُنْبِئْتُ لَيْلَةَ الْقَدْرِ فَخَرَجْتُ لِأُخْبِرَكُمْ بِهَا فَجَاءَ رَجُلَانِ مَعَهُمَا الشَّيْطَانُ فَنَسِيتُهَا فَالْتَمِسُوهَا فِي التَّاسِعَةِ وَفِي السَّابِعَةِ وَفِي الْخَامِسَةِ»  

suyuti:26939a –
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السيوطي:٢٦٩٣٩a –

"يَا أَيُّهَا النَّاسُ! إِنَّهَا كَانَتْ أُبِينَتْ لِى لَيْلَةُ القَدْرِ، وَإنِّى خَرَجْتُ لأخْبِرَكُمْ بِهَا فَجَاءَ رَجُلانِ يَحْتَقَّانِ مَعَهُمَا الشَّيْطَانُ فَنُسِّيتُهَا، فَالتَمسُوهَا فِى العَشْرِ الأوَاخِرِ مِنْ رَمَضَانَ، التَمسُوهَا فِى التَاسِعَة، وَالسَّابِعَةِ، وَالخَامِسَةِ".  

[حم] أحمد [م] مسلم عن أبى سعيد