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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»  

See similar narrations below:

Collected by Abū Dāwūd, Aḥmad
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  

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