SHALLA, N. S. METHOD OF DETERMINING THE BEGINNING OF THE LUNAR MONTH: (Study of the Determination of 1 Shawwal by the Naqsyabandiyah Order in Tanah Merah, Gunung Meriah, Aceh Singkil District). KULMINASI: Journal of Falak and Sharia, v. 3, n. 1, p. 65-87, 2 Aug. 2024.