Hadith.1818 - It is narrated:
"On the first day of Muharram, Zakariya (as) supplicated to his Lord (azj), the Almighty. Whoever fasts on that day, Allah (swt) will answer their supplication just as He answered Zakariya (as)."
Man Lā Yaḥḍuruh al-Faqīh #235"Whoever fasts the first day of the ten days of Dhu al-Hijjah, Allah (swt) will record for him the reward of fasting eighty months. And if...
ʿUyūn akhbār al-Riḍā #261“I went to see Imam al-Ridha (as) on the first day of Muharram. He said, ‘O Ibn Shabeeb! Are you fasting?’ I answered, ‘No.’ He said, ‘Today...