CHAPTER THREE 3.0 AN INTRODUCTION The issue on moon sighting in Nigeria has been a serious problem in observing the two Muslim Festivals for so many years. It has been a source of controversy among Ulama and other members of the society, leading to starting and ending of the fasting of the month of Ramadan differently in this country. This issue is aggravated to the extent that a sharp difference is created between Nigeria and Saudi Arabia, thereby threatening the Unity of Muslims in Nigeria and the Muslim world at large. This paper is an attempt to throw more light on this perennial problem and to offer suggestions based on the views of Ulama on how to solve the problem. 2. MOON SIGHTING: In Islam, Muslims are asked to look for the new moon when stating or ending the fast in the month of Ramadhan. The Prophet (SAW) is reported to have said: “When you see the cresent (of Ramadhan),start fasting, and when you see the cresent (of Shauwal) stop fasting; and if the sky is overcast(and you cannot see) then regard the (cresent) the month of ramadhan (as of thirty days). This criteria is also applied during the 1