Man Lā Yaḥḍuruh al-Faqīh
Hadith 2361807 - وَ قَالَ اَلصَّادِقُ عَلَيْهِ اَلسَّلاَمُ : «صَوْمُ يَوْمِ اَلتَّرْوِيَةِ كَفَّارَةُ سَنَةٍ وَ يَوْمِ عَرَفَةَ كَفَّارَةُ سَنَتَيْنِ.
Hadith.1807 - Imam Jafar ibn Muhammad Al-Sadiq (as) said:
"Fasting on the Day of Tarwiyah is an expiation for one year, and fasting on the Day of Arafah is an expiation for two years."