Al-Kāfi - The Book of Fasting

Chapter: The Case of One Who Wakes up in the Morning with an Intention to Fast, but Who Does Not Do So or Vice Versa when Fasting Is a Compensatory Fast for the Missed Fast in the Month of Ramadan or Other Days َّدٍ عَنِ الْحُسَيْنِ بْنِ سَعِيدٍ عَنْ فَضَالَةَ بْنِ أَيُّوبَ عَنِ الْحُسَيْنِ بْنِ عُثْ٠َاعَةَ عَنْ أَبِي بَصِيرٍ قَالَ سَأَلْتُ أَبَا عَبْدِ الله (عَلَيْهِ السَّلاَ٠َرْأَةِ تَقْضِي شَهْرَ رَ٠َضَانَ فَيُكْرِهُهَا زَوْجُهَا عَلَى الإِفْطَارِ فَقَالَ لا يَنْبَغِي لَهُ أَنْ يُكْرِهَهَا بَعْدَ الزَّوَالِ.

He (the Imam) said, ‘It is not proper for him to do so after Zawal (declining of the sun toward the west at noontime)/” وثق - Allamah Baqir al-Majlisi (Mirʾāt al-ʿUqūl fī Sharḥ Akhbār Āl al-Rasūl (6/317))