Andhena Wisnu Wardana and Miftahuddin Azmi 2025. The Method of Determining the Hijri Calendar at Al-Falah Islamic Boarding School, Kediri: An Astronomical and Phenomenological Analysis. Dialogia. 23, 01 (Jun. 2025), 68–83. DOI:https://doi.org/10.21154/dialogia.v23i01.10514.