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
abudawud:2426 – Mūsá b. Ismāʿīl > Mahdī > Ghaylān > ʿAbdullāh b. Maʿbad al-Zimmānī > Abū Qatādah Bihadhā al-Ḥadīth Zād

He said: Messenger of Allah, tell me about keeping fast on Monday and Thursday. He said: On it I was born, and on it the Qur'an was first revealed to me.  

أبو داود:٢٤٢٦ – حَدَّثَنَا مُوسَى بْنُ إِسْمَاعِيلَ حَدَّثَنَا مَهْدِيُّ حَدَّثَنَا غَيْلاَنُ عَنْ عَبْدِ اللَّهِ بْنِ مَعْبَدٍ الزِّمَّانِيِّ عَنْ أَبِي قَتَادَةَ بِهَذَا الْحَدِيثِ زَادَ قَالَ

يَا رَسُولَ اللَّهِ أَرَأَيْتَ صَوْمَ يَوْمِ الاِثْنَيْنِ وَيَوْمِ الْخَمِيسِ قَالَ فِيهِ وُلِدْتُ وَفِيهِ أُنْزِلَ عَلَىَّ الْقُرْآنُ