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.
ahmad-zuhd:187ʿAbdullāh from my father > Wakīʿ > Sufyān > al-Suddī > Abū Mālik

[Machine] Jonah ﷺ remained in the belly of the whale for forty days.  

الزهد لأحمد:١٨٧حَدَّثَنَا عَبْدُ اللَّهِ حَدَّثَنَا أَبِي حَدَّثَنَا وَكِيعٌ حَدَّثَنَا سُفْيَانُ عَنِ السُّدِّيِّ عَنْ أَبِي مَالِكٍ قَالَ

«لَبِثَ يُونُسُ عَلَيْهِ السَّلَامُ فِي بَطْنِ الْحُوتِ أَرْبَعِينَ يَوْمًا»