The Hilal Committee of The Colombo Grand Mosque (CGM) serves as the primary authority for moon sighting in Sri Lanka. Tasked with the important responsibility of determining the sighting of the new moon, the committee plays a vital role in marking the Islamic calendar months, particularly for significant events such as Ramadan and Eid celebrations.
Composed of knowledgeable scholars and experts, the committee employs traditional and modern methods to ensure accurate moon sighting, providing the Muslim community with reliable information. The activities of the Hilal Committee not only reflect adherence to religious practices but also foster unity within the community by providing clear and timely announcements regarding the lunar calendar.Moon sighting Is done by CGM with the association of Department of Muslim Religious & Cultural Affairs and All Ceylon Jamayathul Ullema.