The MB Ayanamsa Calculator calculates the Ayanamsa for a particular place for a given date and time. This tool is based on the Lahiri Ayanamsa. Ayanamsa (ayana means ?movement? and amsa means ?part?) means the longitudinal difference between the tropical and sidereal zodiacs. MB Ayanamsa Calculator is a wonderful tool that does free ayanamsa calculation and finds out the ayanamsa position for you and also explains the significance of ayanamsa in your case. Ayanamsa is also significant since your exact ayanamsa is very important for the generation of a perfect horoscope for you. If you get a free ayanamsa calculation and free ayanamsa interpretation from MB Ayanamsa Calculator, you can also get an impression of how your nature and personality traits are influenced by your ayanamsa. Ayanamsa is held with high significance in Vedic astrology since the horoscope analysis on the basis of your accurate ayanamsa position can reveal various aspects of your personality and even the types of situations you may face in future. There are three different principal theories related to ayanamsa calculation. These are Lahiri Ayanamsa calculation, KP Ayanamsa calculation and Raman Ayanamsa calculation. MB Ayanamsa Calculator is based on the principles of Lahiri ayanamsa calculation. This ayanamsa software can be downloaded for free. The instructions to run this user-friendly software can be found in the help page.