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abudawud:417 – ʿAmr b. ʿAlī > Ṣafwān b. ʿĪsá > Yazīd b. Abū ʿUbayd > Salamah b. al-Akwaʿ

The Prophet ﷺ used to say the Maghrib prayer immediately after the sun had set when its upper side would disappear.  

أبو داود:٤١٧ – حَدَّثَنَا عَمْرُو بْنُ عَلِيٍّ عَنْ صَفْوَانَ بْنِ عِيسَى عَنْ يَزِيدَ بْنِ أَبِي عُبَيْدٍ عَنْ سَلَمَةَ بْنِ الأَكْوَعِ قَالَ

كَانَ النَّبِيُّ ﷺ يُصَلِّي الْمَغْرِبَ سَاعَةَ تَغْرُبُ الشَّمْسُ إِذَا غَابَ حَاجِبُهَا  

See similar narrations below:

Collected by Aḥmad, Dārimī, Ibn Ḥibbān, Ṭabarānī
ahmad:16532 – Ṣafwān > Ibn Abū ʿUbayd > Salamah b. al-Akwaʿ

The Prophet ﷺ used to say the Maghrib prayer immediately after the sun had set when its upper side would disappear. (Using translation from Abū Dāʾūd 417)   

أحمد:١٦٥٣٢ – حَدَّثَنَا صَفْوَانُ قَالَ حَدَّثَنَا ابْنُ أَبِي عُبَيْدٍ عَنْ سَلَمَةَ بْنِ الْأَكْوَعِ قَالَ

كَانَ رَسُولُ اللهِ ﷺ يُصَلِّي الْمَغْرِبَ سَاعَةَ تَغْرُبُ الشَّمْسُ إِذَا غَابَ حَاجِبُهَا  

darimi:1245 – Isḥāq > Ibn Ibrāhīm al-Ḥanẓalī > Ṣafwān b. ʿĪsá > Yazīd b. Abū ʿUbayd > Salamah b. al-Akwaʿ

The Prophet ﷺ used to say the Maghrib prayer immediately after the sun had set when its upper side would disappear. (Using translation from Abū Dāʾūd 417)  

الدارمي:١٢٤٥ – أَخْبَرَنَا إِسْحَاقُ هُوَ ابْنُ إِبْرَاهِيمَ الْحَنْظَلِيُّ حَدَّثَنَا صَفْوَانُ بْنُ عِيسَى عَنْ يَزِيدَ بْنِ أَبِي عُبَيْدٍ عَنْ سَلَمَةَ بْنِ الْأَكْوَعِ قَالَ

كَانَ النَّبِيُّ ﷺ «يُصَلِّي الْمَغْرِبَ سَاعَةَ تَغْرُبُ الشَّمْسُ إِذَا غَابَ حَاجِبُهَا»  

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»  

tabarani:4057 – Hārūn b. Malūl al-Miṣrī > Abū ʿAbd al-Raḥman al-Muqriʾ ʿAbdullāh b. Yazīd > Ḥaywah b. Shurayḥ > Yazīd b. Abū Ḥabīb > Aslam Abū ʿImrān > Abū Ayyūb

[Machine] "We used to pray the Maghrib prayer when the sun sets."  

الطبراني:٤٠٥٧ – حَدَّثَنَا هَارُونُ بْنُ مَلُولٍ الْمِصْرِيُّ ثنا أَبُو عَبْدِ الرَّحْمَنِ الْمُقْرِئُ عَبْدُ اللهِ بْنُ يَزِيدَ ثنا حَيْوَةُ بْنُ شُرَيْحٍ عَنْ يَزِيدَ بْنِ أَبِي حَبِيبٍ عَنْ أَسْلَمَ أَبِي عِمْرَانَ عَنْ أَبِي أَيُّوبَ قَالَ

«كُنَّا نُصَلِّي الْمَغْرِبَ حِينَ تَجِبُ الشَّمْسُ»