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
nasai-kubra:2490 – ʿAlī b. Ḥujr > Jarīr > Muṭarrif > al-Shaʿbī > ʿAdī b. Ḥātim

[Machine] He asked the Messenger of Allah ﷺ about His saying, "until the white thread becomes distinct to you from the black thread" [Surah Al-Baqarah 2:187]. The Messenger of Allah ﷺ said, "The white thread and the black thread are the darkness of the night and the brightness of the day."  

الكبرى للنسائي:٢٤٩٠ – أَخْبَرَنَا عَلِيُّ بْنُ حُجْرٍ قَالَ حَدَّثَنَا جَرِيرٌ عَنْ مُطَرِّفٍ عَنِ الشَّعْبِيِّ عَنْ عَدِيِّ بْنِ حَاتِمٍ

أَنَّهُ سَأَلَ رَسُولَ اللهِ ﷺ عَنْ قَوْلِهِ {حَتَّى يَتَبَيَّنَ لَكُمُ الْخَيْطُ الْأَبْيَضُ مِنَ الْخَيْطِ الْأَسْوَدِ} [البقرة 187] قَالَ قَالَ رَسُولُ اللهِ ﷺ «الْخَيْطُ الْأَبْيَضُ والْخَيْطُ الْأَسْوَدُ هُو سَوَادُ اللَّيْلِ وَبَيَاضُ النَّهَارِ»  

See similar narrations below:

Collected by Nasāʾī, Nasāʾī's Kubrá
nasai:2169 – ʿAlī b. Ḥujr > Jarīr > Muṭarrif > al-Shaʿbī > ʿAdī b. Ḥātim

he asked the Messenger of Allah about the verse "Until the white thread (light) of dawn appears to you distinct from the black thread (darkness of night)." He said: "It is the blackness of the night and the whiteness of the day." '  

النسائي:٢١٦٩ – أَخْبَرَنَا عَلِيُّ بْنُ حُجْرٍ قَالَ حَدَّثَنَا جَرِيرٌ عَنْ مُطَرِّفٍ عَنِ الشَّعْبِيِّ عَنْ عَدِيِّ بْنِ حَاتِمٍ

أَنَّهُ سَأَلَ رَسُولَ اللَّهِ ﷺ عَنْ قَوْلِهِ تَعَالَى { حَتَّى يَتَبَيَّنَ لَكُمُ الْخَيْطُ الأَبْيَضُ مِنَ الْخَيْطِ الأَسْوَدِ } قَالَ هُوَ سَوَادُ اللَّيْلِ وَبَيَاضُ النَّهَارِ  

nasai-kubra:10954 – ʿAlī b. Ḥujr > Jarīr > Muṭarrif > al-Shaʿbī > ʿAdī b. Ḥātim

[Machine] He asked the Messenger of Allah ﷺ about his saying, "until the white thread becomes distinct to you from the black thread" [Al-Baqarah 187]. The Messenger of Allah ﷺ said, "The white thread refers to the light of the day, and the black thread refers to the darkness of the night."  

الكبرى للنسائي:١٠٩٥٤ – أَخْبَرَنَا عَلِيُّ بْنُ حُجْرٍ أَخْبَرَنَا جَرِيرٌ عَنْ مُطَرِّفٍ عَنِ الشَّعْبِيِّ عَنْ عَدِيِّ بْنِ حَاتِمٍ

أَنَّهُ سَأَلَ رَسُولَ اللهِ ﷺ عَنْ قَوْلِهِ {حَتَّى يَتَبَيَّنَ لَكُمُ الْخَيْطُ الْأَبْيَضُ مِنَ الْخَيْطِ الْأَسْوَدِ} [البقرة 187] قَالَ رَسُولُ اللهِ ﷺ «الْخَيْطُ الْأَبْيَضُ مِنَ الْخَيْطِ الْأَسْوَدِ هَذَا هُوَ سَوَادُ اللَّيْلِ وَبَيَاضُ النَّهَارِ»