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:7920[Chain 1] Abū Ṭāhir al-Faqīh > Abū Ṭāhir al-Muḥammad Ābādhī > Abū Qilābah > Rawḥ b. ʿUbādah > Sufyān [Chain 2] Abū Saʿīd b. Abū ʿAmr > Abū al-ʿAbbās Muḥammad b. Yaʿqūb > al-Rabīʿ > Qāl al-Shāfiʿī Ḥikāyah > Bishr b. al-Sarī And Ghayrih > Sufyān al-Thawrī > al-Aʿmash > Ṭalḥah b. Muṣarrif > Saʿd b. ʿUbaydah > Abū ʿAbd al-Raḥman al-Sulamī

[Machine] Hudhaifah began fasting after the sun had set.  

البيهقي:٧٩٢٠أَخْبَرَنَا أَبُو طَاهِرٍ الْفَقِيهُ أنبأ أَبُو طَاهِرٍ الْمُحَمَّدَ آبَاذِيُّ ثنا أَبُو قِلَابَةَ ثنا رَوْحُ بْنُ عُبَادَةَ ثنا سُفْيَانُ ح وَأَخْبَرَنَا أَبُو سَعِيدِ بْنُ أَبِي عَمْرٍو ثنا أَبُو الْعَبَّاسِ مُحَمَّدُ بْنُ يَعْقُوبَ أنبأ الرَّبِيعُ قَالَ قَالَ الشَّافِعِيُّ حِكَايَةً عَنْ بِشْرِ بْنِ السَّرِيِّ وَغَيْرِهِ عَنْ سُفْيَانَ الثَّوْرِيِّ عَنِ الْأَعْمَشِ عَنْ طَلْحَةَ بْنِ مُصَرِّفٍ عَنْ سَعْدِ بْنِ عُبَيْدَةَ عَنْ أَبِي عَبْدِ الرَّحْمَنِ السُّلَمِيِّ

أَنَّ حُذَيْفَةَ ؓ بَدَا لَهُ الصَّوْمُ بَعْدَمَا زَالَتِ الشَّمْسُ فَصَامَ