摘要：AbstractIn terms of determining the beginning of the month Qamariah required reasoning of astronomy, Science of this is one area of science that is recommended to be studied in order to determine it Muslim worship such as fasting, Eid-ul-Fitr, Hajj, and others - others. Practically Science of Falak is widely used to determine the direction of Qibla (Direction Muslim prayers) from a place far from the place where it can not directly see the Ka’bah (the reference point for determining the direction Muslims worship Shalaf). Science of Falak is also useful for determining the beginning of the month or the 1st of every month for Qamariyah (Years by or determined by the circulation of the month). A large difference in determining Qamariah beginning is often the case in Indonesia and a debate every year, for that to be expected with this research is to help Jean Meuus and Solrad algorithms in the form of simulator applications can help in the early months of Qomariah determine the support of Data Ephemeris Sun and moon obtained from several options algorithms accurately recognized by the astronomical community, early calculations using solar Ephemeris data method in accordance with the calculation in the Department of Religious Affairs in the State of Indonesia.
关键词：Qamariyah;Science of Falak;Jean Meuus algorithms;Algorithms Solrad
