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
bayhaqi:1711 – Abū Bakr Muḥammad b. Ibrāhīm al-Ḥāfiẓ > Abū Naṣr Aḥmad b. ʿAmr > Sufyān b. Muḥammad al-Jawharī > ʿAlī b. al-Ḥasan > ʿAbdullāh b. al-Walīd > Sufyān > Layth > Ṭāwus > Ibn ʿAbbās > And Qt al-Ẓuhr > al-ʿAṣr Wa-al-ʿAṣr > al-Maghrib Wa-al-Maghrib > al-ʿIshāʾ Wa-al-ʿIshāʾ > al-Fajr Tābaʿah Ḥabīb b. Abū Ḥabīb Ṣāḥib al-Anmāṭ > ʿAmr b. Harim > Jābir b. Zayd

[Machine] The time for the Dhuhr prayer starts when the sun declines and lasts until the Asr prayer, meaning any time you pray within that period. And it is confirmed in the established Sunnah, meaning what Imam Shafi'i may Allah have mercy upon him described.  

البيهقي:١٧١١ – مَا أَخْبَرَنِي أَبُو بَكْرٍ مُحَمَّدُ بْنُ إِبْرَاهِيمَ الْحَافِظُ ثنا أَبُو نَصْرٍ أَحْمَدُ بْنُ عَمْرٍو أَخْبَرَنَا سُفْيَانُ بْنُ مُحَمَّدٍ الْجَوْهَرِيُّ ثنا عَلِيُّ بْنُ الْحَسَنِ ثنا عَبْدُ اللهِ بْنُ الْوَلِيدِ عَنْ سُفْيَانَ عَنْ لَيْثٍ عَنْ طَاوُسٍ عَنِ ابْنِ عَبَّاسٍ قَالَ وَقْتُ الظُّهْرِ إِلَى الْعَصْرِ وَالْعَصْرِ إِلَى الْمَغْرِبِ وَالْمَغْرِبِ إِلَى الْعِشَاءِ وَالْعِشَاءِ إِلَى الْفَجْرِ تَابَعَهُ حَبِيبُ بْنُ أَبِي حَبِيبٍ صَاحِبُ الْأَنْمَاطِ عَنْ عَمْرِو بْنِ هَرِمٍ عَنْ جَابِرِ بْنِ زَيْدٍ عَنِ ابْنِ عَبَّاسٍ فِي وَقْتِ الظُّهْرِ فَقَالَ

وَوَقْتُ صَلَاةِ الظُّهْرِ حِينَ تَزُولُ الشَّمْسُ إِلَى صَلَاةِ الْعَصْرِ أَيْ وَقْتَ مَا صَلَّيْتَ فَقَدْ أَدْرَكْتَ وَمَوْجُودٌ فِي السُّنَّةِ الثَّابِتَةِ يَعْنِي مَا وَصَفَ الشَّافِعِيُّ رَحِمَهُ اللهُ تَعَالَى وَهِيَ