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:8434Abū al-Ḥusayn Muḥammad b. al-Ḥusayn b. al-Faḍl al-Qaṭṭān> ʿAbdullāh b. Jaʿfar b. Darastawayh al-Naḥwī > Abū Yūsuf Yaʿqūb b. Sufyān > Abū al-Nuʿmān Muḥammad b. al-Faḍl And al-Ḥajjāj > Mahdī b. Maymūn > Ghaylān b. Jarīr > ʿAbdullāh b. Maʿbad al-Zimmānī > Abū Qatādah al-Anṣārī

[Machine] Narrated by the Prophet ﷺ , a man asked him, "O Messenger of Allah, should I fast on Mondays?" He replied, "I was born on this day and the Quran was revealed to me on this day."  

البيهقي:٨٤٣٤أَخْبَرَنَا أَبُو الْحُسَيْنِ مُحَمَّدُ بْنُ الْحُسَيْنِ بْنِ الْفَضْلِ الْقَطَّانُ بِبَغْدَادَ أنبأ عَبْدُ اللهِ بْنُ جَعْفَرِ بْنِ دَرَسْتَوَيْهِ النَّحْوِيُّ ثنا أَبُو يُوسُفَ يَعْقُوبُ بْنُ سُفْيَانَ ثنا أَبُو النُّعْمَانِ مُحَمَّدُ بْنُ الْفَضْلِ وَالْحَجَّاجُ قَالَا ثنا مَهْدِيُّ بْنُ مَيْمُونٍ ثنا غَيْلَانُ بْنُ جَرِيرٍ عَنْ عَبْدِ اللهِ بْنِ مَعْبَدٍ الزِّمَّانِيِّ عَنْ أَبِي قَتَادَةَ الْأَنْصَارِيِّ

عَنِ النَّبِيِّ ﷺ قَالَ لَهُ رَجُلٌ يَا رَسُولَ اللهِ صَوْمُ يَوْمِ الِاثْنَيْنِ قَالَ فِيهِ وُلِدْتُ وَفِيهِ أُنْزِلَ عَلَيَّ الْقُرْآنُ  

أَخْرَجَهُ مُسْلِمٌ فِي الصَّحِيحِ مِنْ حَدِيثِ مَهْدِيِّ بْنِ مَيْمُونٍ