John StarlingMissed Intention to FastIf a person does not form the intention to fast before Fajr, the fast is not valid.
John StarlingInternational or Local Moon SightingOnce the crescent of Ramadan is sighted anywhere and that sighting is established by a valid witness, fasting becomes obligatory upon all Muslims. Local horizons are not considered after a confirmed sighting has been reported.
John StarlingHow to Make Intention to FastSimply resolving in one’s heart that “I will fast tomorrow for Ramadan” is sufficient.