Sahih Muslim 1145a - The Saying of Allah Most High: "... And as for those who can fast with difficulty, they have) a choice either to fast or) to feed a Miskin (poor person) (for every day)" is Abrogated by His saying: "... So whoever of you sights (the crescent on the first night of) the month (of Ramadan i.e. is present at his home), he must observe Sawm (fasts) that month"... | Criterion