Calculating the Panchanga

For all the forumulas given below, lmoon refers to the longitude of the moon, and smoon refers to the longitude of the sun at some point in time. DATE The date forms the basis of the information for the calendar and is the reference point. VARA (WEEKDAY) The weekday cannot be determined from astronomical factors. However, there are existing algorithms which can take any gregorian/julian day and will compute the weekday from it. MAASA (MONTH) There are three different kinds of months Solar Month – Starts when the sun moves … Continue reading