Revelation of the verse of hijab on the morning after Zaynab's wedding of Zaynab bint Jahsh, may Allah be pleased with her
This indicates that the verse of hijab was revealed on the morning after Zaynab's wedding, may Allah be pleased with her. The reference passage mentions Zaynab bint Jahsh and says that Allah revealed verses in Surah al-Ahzab about her.


سبب نزول آية الحجاب وما أسّسته من أدب اجتماعي في بيت النبوّة.
This indicates that the verse of hijab was revealed on the morning after Zaynab's wedding, may Allah be pleased with her. The reference passage mentions Zaynab bint Jahsh and says that Allah revealed verses in Surah al-Ahzab about her.
It falls within the stage of building the Muslim community and its family and social legislation.
And on the morning after Zaynab's wedding, may Allah be pleased with her, the verse of hijab was revealed.
يَا أَيُّهَا الَّذِينَ آمَنُوا لَا تَدْخُلُوا بُيُوتَ النَّبِيِّ إِلَّا أَن يُؤْذَنَ لَكُمْ إِلَىٰ طَعَامٍ غَيْرَ نَاظِرِينَ إِنَاهُ وَلَٰكِنْ إِذَا دُعِيتُمْ فَادْخُلُوا فَإِذَا طَعِمْتُمْ فَانتَشِرُوا وَلَا مُسْتَأْنِسِينَ لِحَدِيثٍ ۚ إِنَّ ذَٰلِكُمْ كَانَ يُؤْذِي النَّبِيَّ فَيَسْتَحْيِي مِنكُمْ ۖ وَاللَّهُ لَا يَسْتَحْيِي مِنَ الْحَقِّ ۚ وَإِذَا سَأَلْتُمُوهُنَّ مَتَاعًا فَاسْأَلُوهُنَّ مِن وَرَاءِ حِجَابٍ ۚ ذَٰلِكُمْ أَطْهَرُ لِقُلُوبِكُمْ وَقُلُوبِهِنَّ ۚ وَمَا كَانَ لَكُمْ أَن تُؤْذُوا رَسُولَ اللَّهِ وَلَا أَن تَنكِحُوا أَزْوَاجَهُ مِن بَعْدِهِ أَبَدًا ۚ إِنَّ ذَٰلِكُمْ كَانَ عِندَ اللَّهِ عَظِيمًا
The main point is that the revelation of the verse of hijab was linked to the time of Zaynab's wedding, may Allah be pleased with her. As for the exact wording and timing in the reference passage, that exact phrase is not stated, so we limit ourselves to the event itself.
The Prophet ﷺ had married Zaynab bint Jahsh, may Allah be pleased with her, and the passage mentions that verses from Surah al-Ahzab were revealed in her story concerning the issue of adoption.
Legislation of rulings that regulate the relationship of the believers with the houses of the Prophet ﷺ and the etiquette of hijab, among the verses revealed in al-Ahzab.
The matter moved from being merely a wedding occasion to becoming a setting for the revelation of a Quranic legal ruling.
It is linked to a legislative stage in Madinah
It shows that revelation was sent down to address social events
Affirming the etiquette of hijab and regulating social relations
Teaching the Ummah to receive rulings from revelation in the context of daily life
Establishing ethical and social standards for the Muslim community
Building a community that abides by the rulings of the Sharia
The event was connected to her wedding in the event
The event was connected to his marriage to Zaynab and to the revelation of the legal ruling at the time of the wedding
Revelation comes down in the events of life to guide the believers
Hijab is modesty and covering
Organizing relations within the Muslim community
Teaching the ummah that Sharia rulings come to refine behavior
The presence of legislation that regulates public life
Transforming society into one guided by Quranic values
The need for Sharia guidelines in social occasions
Linking joy and celebration to commitment to the rulings of the Sharia
Presenting Sharia rulings in their practical and educational context
Strengthening family values and public manners
Adhering to hijab and the manners of the Muslim community
The prophetic context was the time of revelation and direct legislation
Every social occasion should be governed by the rulings of the Sharia