Essential reckoning is one method of determining the beginning of the Kamariyah month, calculations performed with accurate astronomical data. The calculation results are also accurate and can be tested for validity or proven valid. In practice, the ultimate reckoning is divided into two systems, ijtima system and hilal position system.
The journal Al-Risalah contains works whose material focuses on the results of research and thoughts related to the development of scientific disciplines, both sharia and legal disciplines in general. Also works covering thoughts that integrate religious disciplines (sharia) and legal disciplines in ...