Haraam and Makrooh Fasts
1748. It is Haraam to fast on the day of Eid – ul – Fitr and Eid – ul – Azha. If a person is doubtful whether it is the first of Ramadhan or the last of Sha’ban, fasting with the intention of first of Ramadhan is Haraam.
1749. It is Haraam for a wife to keep a Mustahab fast if by so doing she would not be able to attend to her duties towards her husband. Moreover, as per obligatory precaution, even if she can attend to her duties towards her husband, she should not observe a Mustahab fast without his permission.
1750. It is Haraam for a child to observe a Mustahab fast if it causes any kind of suffering to their parents if they prohibit it. However, if they do not prohibit it but it causes suffering to them or if his grandfather prohibits it and his fast causes suffering to him, as per obligatory precaution, it is not allowed.
1751. If a son observes a Mustahab fast without the permission of his father, and his father prohibits him from it during the daytime, the son should break the fast if his disobedience would hurt the feeling of his father.
1752. If a person knows that fasting is not harmful to him, he should fast even if his doctor advises that it is harmful. In addition, if a person is certain or has a feeling that fasting is harmful to him, he should not fast even if the doctor advises for it, and if he fasts in these circumstances, his fast will not be valid.
1753. If a person has a strong feeling that it is harmful for him to fast, and owing to that feeling, fear is created in his mind, and if that feeling is commonly acceptable, he should not observe fast, and if he does, it will not be valid.
1754. If a person, who believes that fasting is not harmful to him, observes fast and realizes after Maghrib that it was considerably harmful to him, as per obligatory precaution, he should perform the Qadha of that day.
1755. Besides the fasts mentioned herein, there are other Haraam fasts also, the details of which are found in the detailed books.
1756. It is Makrooh to fast on ‘Ashura (10th of Muharram). If a person is doubtful whether it is ‘Arafa or Eid – ul – Azha, it is Makrooh to fast on that day.