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:7907Abū ʿAbdullāh al-Ḥāfiẓ > Abū al-ʿAbbās Muḥammad b. Yaʿqūb > Muḥammad b. Isḥāq al-Ṣaghānī > Ibn Abū Maryam > Yaḥyá b. Ayyūb > ʿAbdullāh b. Abū Bakr > Ibn Shihāb > Sālim b. ʿAbdullāh from his father

[Machine] On the authority of Hafsah, the wife of the Prophet Muhammad ﷺ , who narrated that the Messenger of Allah ﷺ said: "Whoever does not complete the fast before dawn, then there is no fasting for him." This hadith was also narrated by Abdullah ibn Wahb from Ibn Lahia and Yahya ibn Ayyub from Abdullah ibn Abu Bakr.  

البيهقي:٧٩٠٧أَخْبَرَنَا أَبُو عَبْدِ اللهِ الْحَافِظُ ثنا أَبُو الْعَبَّاسِ مُحَمَّدُ بْنُ يَعْقُوبَ ثنا مُحَمَّدُ بْنُ إِسْحَاقَ الصَّغَانِيُّ ثنا ابْنُ أَبِي مَرْيَمَ أنبأ يَحْيَى بْنُ أَيُّوبَ ثنا عَبْدُ اللهِ بْنُ أَبِي بَكْرٍ عَنِ ابْنِ شِهَابٍ عَنْ سَالِمِ بْنِ عَبْدِ اللهِ عَنْ أَبِيهِ

عَنْ حَفْصَةَ زَوْجِ النَّبِيِّ ﷺ عَنْ رَسُولِ اللهِ ﷺ قَالَ مَنْ لَمْ يَجْمَعِ الصِّيَامَ قَبْلَ الْفَجْرِ فَلَا صِيَامَ لَهُ وَرَوَاهُ عَبْدُ اللهِ بْنُ وَهْبٍ عَنِ ابْنِ لَهِيعَةَ وَيَحْيَى بْنِ أَيُّوبَ عَنْ عَبْدِ اللهِ بْنِ أَبِي بَكْرٍ