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
abudawud:1219 – Sulaymān b. Dāwud al-Mahrī > Ibn Wahb > Jābir b. Ismāʿīl > ʿUqayl Bihadhā al-Ḥadīth Biʾisnādih

He would delay the evening prayer till he combined the evening and the night prayers when the twilight disappeared.  

أبو داود:١٢١٩ – حَدَّثَنَا سُلَيْمَانُ بْنُ دَاوُدَ الْمَهْرِيُّ حَدَّثَنَا ابْنُ وَهْبٍ أَخْبَرَنِي جَابِرُ بْنُ إِسْمَاعِيلَ عَنْ عُقَيْلٍ بِهَذَا الْحَدِيثِ بِإِسْنَادِهِ قَالَ

وَيُؤَخِّرُ الْمَغْرِبَ حَتَّى يَجْمَعَ بَيْنَهَا وَبَيْنَ الْعِشَاءِ حِينَ يَغِيبُ الشَّفَقُ