Almagest Ephemeris Calculator

This web page provides a set of JavaScript calendar and ephemeris modules for calculating geocentric luni-solar and planetary positions for an arbitrary calendar date according to the kinematical models of the Sun, the Moon and the planets described in the Mathematike Syntaxis (better known from the title of the later Arabic/Latin translations as the Almagest) of Claudius Ptolemy of Alexandria (c. 150 CE).