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
bayhaqi:19293 – Abū al-Fatḥ Hilāl b. Muḥammad b. Jaʿfar al-Ḥaffār> al-Ḥusayn b. Yaḥyá b. ʿAyyāsh al-Qaṭṭān > al-Ḥasan b. Muḥammad b. al-Ṣabbāḥ > ʿAbd al-Wahhāb b. ʿAṭāʾ > Ismāʿīl b. Muslim > Qatādah > ʿAbdullāh b. Buraydah from his father

[Machine] The Prophet ﷺ said: "Aqiqah is to be slaughtered for seven, fourteen, or twenty-one days."  

البيهقي:١٩٢٩٣ – وَأَخْبَرَنَا أَبُو الْفَتْحِ هِلَالُ بْنُ مُحَمَّدِ بْنِ جَعْفَرٍ الْحَفَّارُ بِبَغْدَادَ أنبأ الْحُسَيْنُ بْنُ يَحْيَى بْنِ عَيَّاشٍ الْقَطَّانُ ثنا الْحَسَنُ بْنُ مُحَمَّدِ بْنِ الصَّبَّاحِ ثنا عَبْدُ الْوَهَّابِ بْنُ عَطَاءٍ عَنْ إِسْمَاعِيلَ بْنِ مُسْلِمٍ عَنْ قَتَادَةَ عَنْ عَبْدِ اللهِ بْنِ بُرَيْدَةَ عَنْ أَبِيهِ

عَنِ النَّبِيِّ ﷺ قَالَ الْعَقِيقَةُ تُذْبَحُ لِسَبْعٍ وَلِأَرْبَعَ عَشْرَةَ وَلِإِحْدَى وَعِشْرِينَ  

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Collected by Suyūṭī
suyuti:11389a –
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السيوطي:١١٣٨٩a –

"الْعَقِيقَةُ تُذْبَحُ لِسَبْع أَوْ لأَربَعَ عَشَرَةَ، أَوْ لإِحدَى وعِشرين ".  

[طس] الطبرانى في الأوسط [ق] البيهقى في السنن [ض] ضياء المقدسي في مختاره عن عبد الله بن بريدة عن أَبيه