This booklet which has been published by the Office of his Eminence Ayatollah Sayyid Ali Sistani in Najaf in the form of queries and replies to them with some addition outlines this issue.
As we are about to say farewell to the holy month of Ramadan and Eid is about to start, we have been asked as usual by emails and orally about the evidence of confirming the day of Eid, and the difference in opinion between the late Ayatollah al-Khoei who has adopted the unity of the horizons and Ayatollah Sistani who confirms that horizons are different and the scientific evidence and the legal one for this issue which is not very clear to some.
Moonsighting; Questions & answers according to Ayatollah Sistani