1816 - وَ رَوَى اَلْحَسَنُ بْنُ رَاشِدٍ عَنْ أَبِي عَبْدِ اَللَّهِ عَلَيْهِ اَلسَّلاَمُ قَالَ: قُلْتُ جُعِلْتُ فِدَاكَ، لِلْمُسْلِمِينَ عِيدٌ غَيْرُ اَلْعِيدَيْنِ قَالَ «نَعَمْ يَا حَسَنُ وَ أَعْظَمُهُمَا وَ أَشْرَفُهُمَا» قَالَ قُلْتُ لَهُ فَأَيُّ يَوْمٍ هُوَ قَالَ «هُوَ يَوْمٌ نُصِبَ أَمِيرُ اَلْمُؤْمِنِينَ عَلَيْهِ اَلسَّلاَمُ عَلَماً لِلنَّاسِ» قُلْتُ جُعِلْتُ فِدَاكَ وَ أَيُّ يَوْمٍ هُوَ قَالَ «إِنَّ اَلْأَيَّامَ تَدُورُ وَ هُوَ يَوْمُ ثَمَانِيَةَ عَشَرَ مِنْ ذِي اَلْحِجَّةِ » قَالَ قُلْتُ جُعِلْتُ فِدَاكَ وَ مَا يَنْبَغِي لَنَا أَنْ نَصْنَعَ فِيهِ قَالَ «تَصُومُهُ يَا حَسَنُ وَ تُكْثِرُ فِيهِ اَلصَّلاَةَ عَلَى مُحَمَّدٍ وَ أَهْلِ بَيْتِهِ عَلَيْهِمُ اَلسَّلاَمُ وَ تَبَرَّأُ إِلَى اَللَّهِ عَزَّ وَ جَلَّ مِمَّنْ ظَلَمَهُمْ حَقَّهُمْ فَإِنَّ اَلْأَنْبِيَاءَ عَلَيْهِمُ اَلسَّلاَمُ كَانَتْ تَأْمُرُ اَلْأَوْصِيَاءَ بِالْيَوْمِ اَلَّذِي كَانَ يُقَامُ فِيهِ اَلْوَصِيُّ أَنْ يُتَّخَذَ عِيداً» قَالَ قُلْتُ مَا لِمَنْ صَامَهُ مِنَّا قَالَ «صِيَامُ سِتِّينَ شَهْراً وَ لاَ تَدَعْ صِيَامَ يَوْمِ سَبْعَةٍ وَ عِشْرِينَ مِنْ رَجَبٍ فَإِنَّهُ هُوَ اَلْيَوْمُ اَلَّذِي أُنْزِلَتْ فِيهِ اَلنُّبُوَّةُ عَلَى مُحَمَّدٍ صَلَّى اَللَّهُ عَلَيْهِ وَ آلِهِ وَ ثَوَابُهُ مِثْلُ سِتِّينَ شَهْراً لَكُمْ.
Hadith.1816 - It is narrated by al-Hasan ibn Rashid from Abu Abdullah (Imam Jafar ibn Muhammad Al-Sadiq 
), who said:
I said: 'May I be your ransom, is there a festival for Muslims other than the two Eids?'
Imam said: 'Yes, O’ Hasan, and it is greater and more noble than them.'
I said: 'What day is it?'
Imam said: 'It is the day on which Amir al-Mu'minin was appointed as a guide for the people.'
I said: 'May I be your ransom, which day is that?'
Imam said: 'The days revolve, and it is the 18th of Dhu al-Hijjah.'
I said: 'May I be your ransom, what should we do on that day?'
Imam said: 'You should fast it, O’ Hasan, and increase your prayers upon Muhammad and his family . You should also declare your disassociation to Allah (swt), the Almighty, from those who wronged them and usurped their rights. Indeed, the Prophets used to command their successors to designate the day on which the successor was appointed as a festival.'
I said: 'What is the reward for fasting it for us?'
Imam said: 'The reward of fasting sixty months. Also, do not neglect fasting on the 27th of Rajab, for it is the day on which prophethood was bestowed upon Muhammad ﷺ (peace and blessings be upon him and his family), and its reward for you is like fasting sixty months.'"
