Al-Kāfi - The Book of Fasting

Chapter: Another Chapter about the Previous Subject َّدٍ عَنْ بَعْضِ أَصْحَابِنَا عَنْ ٠َّدِ بْنِ عِيسَى بْنِ عُبَيْدٍ عَنْ إِبْرَاهِي٠َدَنِيِّ عَنْ عِ٠ْرَانَ الزَّعْفَرَانِيِّ قَالَ قُلْتُ لأَبِي عَبْدِ الله (عَلَيْهِ السَّلاَ٠َاءَ تُطْبِقُ عَلَيْنَا بِالْعِرَاقِ الْيَوْ٠َيْنِ وَالثَّلاثَةَ فَأَيَّ يَوْ٠ُ قَالَ انْظُرِ الْيَوْ٠ِنَ السَّنَةِ الْ٠1.

Ali ibn Muhammad has narrated from certain persons of our people from Muhammad ibn ‘Isa [ibn ‘Ubayd] from Ibrahim ibn Muhammad al-Madaniy from ‘Imran Za‘faraniy who has said the following: “I once said to abu ‘ Abd Allah (a.s.), that in Iraq the sky remains cloudy for one, two or three days.

Which day must we fast?’ He (the Imam) said, ‘Think which day you fasted last year and fast on fifth day.”’ جهول - Allamah Baqir al-Majlisi (Mirʾāt al-ʿUqūl fī Sharḥ Akhbār Āl al-Rasūl (16/236))