His declaration followed the sighting of the new crescent in Sokoto on Sunday in a radio and television broadcast.
The sultan in a broadcast said the new moon was sighted in different parts of the country.
He said: “After due verification and authentication by the national moon sighting committee and states committees’ confirmation, as well as routine scrutiny, I hereby announce the sighting of the new moon of Ramadan which signifies the end of Sha’aban 1445 AH.
”In accordance with Islamic law, Muslim Ummah is to commence fasting on Monday the 11th of March 2024 accordingly”.
Adding, he said: “We call on all Nigerians to continue to live peacefully with one another irrespective of religious, ethnic or tribal difference”.