✅ Answer:

1⃣عَنْ عَبْدِ اللَّهِ بْنِ سِنَانٍ قَالَ سَأَلْتُ أَبَا عَبْدِ اللَّهِ عَنْ غُسْلِ یَوْمِ عَرَفَةَ فِی الْأَمْصَارِ فَقَالَ اغْتَسِلْ أَیْنَمَا کُنْتَ

📚 Wasa'il, Vol. 13, p. 530

Abdullah ibn Sinan said: I asked Imam Sadiq (peace be upon him) about performing the ritual bath (ghusl) on the Day of Arafah in cities other than Mecca. The Imam replied: Perform the ghusl wherever you are.

2⃣قال الصادق علیه السلام في حدیث:وَ غُسْلُ يَوْمِ عَرَفَةَ وَاجِبٌ

📚 Tahdhib, Vol. 1, p. 104

Imam Sadiq (peace be upon him) said in a narration: The ghusl of Arafah is obligatory.

📚 Iqbal, Vol. 1, p. 336

Imam Sadiq (peace be upon him) said: Whoever, on the Day of Arafah, before going out for supplication, prays two rak’ahs under the open sky, confesses their sins, and acknowledges their mistakes before Allah, will attain what the pilgrims at Arafat achieve and will have their past and future sins forgiven.

📚 Al-Fiqh, Vol. 2, p. 211

4⃣عَنْ مُحَمَّدِ بْنِ مُسْلِمٍ عَنْ أَبِی جَعْفَرٍ قَالَ سَأَلْتُهُ عَنْ صَوْمِ یَوْمِ عَرَفَةَ فَقَالَ مَنْ قَوِیَ عَلَیْهِ فَحَسَنٌ إِنْ لَمْ یَمْنَعْکَ مِنَ الدُّعَاءِ فَإِنَّهُ یَوْمُ دُعَاءٍ وَ مَسْأَلَةٍ فَصُمْهُ وَ إِنْ خَشِیتَ أَنْ تَضْعُفَ عَنْ ذَلِکَ فَلَا تَصُمْهُ

Muhammad ibn Muslim said: I asked Imam Baqir (peace be upon him) about fasting on the Day of Arafah. The Imam replied: If one has the strength, it is good to fast, as long as it does not prevent them from supplication. The Day of Arafah is for supplication and requesting from Allah. So, fast if you can, but if you fear that fasting will weaken your ability to pray, then do not fast.

5⃣عَنْ عَبْدِ اللَّهِ بْنِ مُسْکَانَ عَنْ عَبْدِ اللَّهِ بْنِ سُلَیْمَانَ قَالَ کَانَ أَبُو جَعْفَرٍ إِذَا کَانَ یَوْمُ عَرَفَةَ لَمْ یَرُدَّ سَائِلًا

📚 Mustadrak, Vol. 7, p. 187

Abdullah ibn Maskan said: Imam Baqir (peace be upon him) would never turn away a beggar on the Day of Arafah.

It is also narrated that Imam Reza (peace be upon him) distributed all his wealth on the Day of Arafah.

One of the most important acts on this day is supplication. Many supplications have been narrated for this day, the most famous being the supplication of Imam Hussain (peace be upon him) on the Day of Arafah. Another significant supplication is Supplication 47 from Sahifa Sajjadiya, which is highly recommended to be recited.

📚 Tahdhib, Vol. 5, p. 183

لا إِلهَ إِلَّا اللَّهُ وَحْدَهُ لا شَرِيكَ لَهُ لَهُ الْمُلْكُ وَ لَهُ الْحَمْدُ يُحْيِي وَ يُمِيتُ وَ هُوَ حَيٌّ لَا يَمُوتُ بِيَدِهِ الْخَيْرُ وَ هُوَ عَلى كُلِّ شَيْ ءٍ قَدِيرٌ* اللَّهُمَّ لَكَ الْحَمْدُ كَالَّذِي تَقُولُ وَ خَيْراً مِمَّا نَقُولُ وَ فَوْقَ مَا يَقُولُ الْقَائِلُونَ اللَّهُمَّ لَكَ صَلاتِي وَ نُسُكِي وَ مَحْيايَ وَ مَماتِي وَ لَكَ بَرَاءَتِي وَ بِكَ حَوْلِي وَ مِنْكَ قُوَّتِي اللَّهُمَّ إِنِّي أَعُوذُ بِكَ مِنَ الْفَقْرِ وَ مِنْ وَسَاوِسِ الصُّدُورِ وَ مِنْ شَتَاتِ الْأَمْرِ وَ مِنْ عَذَابِ الْقَبْرِ اللَّهُمَّ إِنِّي أَسْأَلُكَ خَيْرَ الرِّيَاحِ وَ أَعُوذُ بِكَ مِنْ شَرِّ مَا تَجِي ءُ بِهِ الرِّيَاحُ وَ أَسْأَلُكَ خَيْرَ اللَّيْلِ وَ خَيْرَ النَّهَارِ اللَّهُمَّ اجْعَلْ فِي قَلْبِي نُوراً وَ فِي سَمْعِي وَ بَصَرِي نُوراً وَ لَحْمِي وَ دَمِي وَ عِظَامِي وَ عُرُوقِي وَ مَقْعَدِي وَ مَقَامِي وَ مَدْخَلِي وَ مَخْرَجِي نُوراً وَ أَعْظِمْ لِي نُوراً يَا رَبِّ يَوْمَ أَلْقَاكَ إِنَّكَ عَلى كُلِّ شَيْ ءٍ قَدِيرٌ

Imam Sadiq (peace be upon him) said that the Messenger of Allah (peace and blessings be upon him and his family) told Amir al-Mu’minin (peace be upon him): Shall I teach you the supplication of Arafah, which was recited by the prophets before me? On the Day of Arafah, say:

Other recommended acts for this day are mentioned in their respective sources, and it is essential to follow the traditions narrated by Ahlul Bayt (peace be upon them).

📚 Uyun Akhbar al-Ridha, Vol. 2, p. 66

The Messenger of Allah (peace and blessings be upon him and his family) said: I am the city of knowledge, and Ali is its gate. So whoever seeks the city must enter through its gate.

اللَّهُمَّ فَصَلِّ عَلَی مُحَمَّدٍ وَ آلِ مُحَمَّدٍ وَ عَجِّلْ لِوَلِیِّکَ الْفَرَجَ وَ الْعَافِیَةَ وَ النَّصْرَ