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
ibnmajah:688 – Yaʿqūb b. Ḥumayd b. Kāsib > al-Mughīrah b. ʿAbd al-Raḥman > Yazīd b. Abū ʿUbayd > Salamah b. al-Akwaʿ

He used to pray the Maghrib with the Messenger of Allah when the sun set.  

ابن ماجة:٦٨٨ – حَدَّثَنَا يَعْقُوبُ بْنُ حُمَيْدِ بْنِ كَاسِبٍ حَدَّثَنَا الْمُغِيرَةُ بْنُ عَبْدِ الرَّحْمَنِ عَنْ يَزِيدَ بْنِ أَبِي عُبَيْدٍ عَنْ سَلَمَةَ بْنِ الأَكْوَعِ

أَنَّهُ كَانَ يُصَلِّي مَعَ النَّبِيِّ ﷺ الْمَغْرِبَ إِذَا تَوَارَتْ بِالْحِجَابِ  

See similar narrations below:

Collected by Bukhārī, Muslim, Aḥmad, Ibn Ḥibbān
bukhari:561 – al-Makkī b. Ibrāhīm > Yazīd b. Abū ʿUbayd > Salamah

We used to pray the Maghrib prayer with the Prophet ﷺ when the sun disappeared from the horizon.  

البخاري:٥٦١ – حَدَّثَنَا الْمَكِّيُّ بْنُ إِبْرَاهِيمَ قَالَ حَدَّثَنَا يَزِيدُ بْنُ أَبِي عُبَيْدٍ عَنْ سَلَمَةَ قَالَ

كُنَّا نُصَلِّي مَعَ النَّبِيِّ ﷺ الْمَغْرِبَ إِذَا تَوَارَتْ بِالْحِجَابِ  

muslim:636 – Qutaybah b. Saʿīd > Ḥātim / Ibn Ismāʿīl > Yazīd b. Abū ʿUbayd > Salamah b. al-Akwaʿ

Salama b. al-Akwa' reported that the Messenger of Allah ﷺ used to pray the evening prayer when the sun had set and disappeared (behind the horizon).  

مسلم:٦٣٦ – حَدَّثَنَا قُتَيْبَةُ بْنُ سَعِيدٍ حَدَّثَنَا حَاتِمٌ وَهُوَ ابْنُ إِسْمَاعِيلَ عَنْ يَزِيدَ بْنِ أَبِي عُبَيْدٍ عَنْ سَلَمَةَ بْنِ الأَكْوَعِ

أَنَّ رَسُولَ اللَّهِ ﷺ كَانَ يُصَلِّي الْمَغْرِبَ إِذَا غَرَبَتِ الشَّمْسُ وَتَوَارَتْ بِالْحِجَابِ  

ahmad:16550 – Makkī > Yazīd b. Abū ʿUbayd > Salamah

We used to pray the Maghrib prayer with the Prophet ﷺ when the sun disappeared from the horizon. (Using translation from Bukhārī 561)  

أحمد:١٦٥٥٠ – حَدَّثَنَا مَكِّيٌّ حَدَّثَنَا يَزِيدُ بْنُ أَبِي عُبَيْدٍ عَنْ سَلَمَةَ قَالَ

كُنَّا نُصَلِّي الْمَغْرِبَ مَعَ رَسُولِ اللهِ ﷺإِذَا تَوَارَتْ بِالْحِجَابِ  

ذِكْرُ الْوَقْتِ الَّذِي يُسْتَحَبُّ فِيهِ أَدَاءُ الْمَرْءِ صَلَاةَ الْمَغْرِبِ

ibnhibban:1523 – Muḥammad b. Isḥāq b. Ibrāhīm a freed slave of Thaqīf > Qutaybah b. Saʿīd > Ḥātim b. Ismāʿīl > Yazīd b. Abū ʿUbayd > Salamah b. al-Akwaʿ

Salama b. al-Akwa' reported that the Messenger of Allah ﷺ used to pray the evening prayer when the sun had set and disappeared (behind the horizon). (Using translation from Muslim 636)  

ابن حبّان:١٥٢٣ – أَخْبَرَنَا مُحَمَّدُ بْنُ إِسْحَاقَ بْنِ إِبْرَاهِيمَ مَوْلَى ثَقِيفٍ قَالَ حَدَّثَنَا قُتَيْبَةُ بْنُ سَعِيدٍ قَالَ حَدَّثَنَا حَاتِمُ بْنُ إِسْمَاعِيلَ عَنْ يَزِيدَ بْنِ أَبِي عُبَيْدٍ عَنْ سَلَمَةَ بْنِ الْأَكْوَعِ قَالَ

«كَانَ رَسُولُ اللَّهِ ﷺ يُصَلِّي الْمَغْرِبَ إِذَا غَرَبَتِ الشَّمْسُ وَتَوَارَتْ بِالْحِجَابِ»