Ascendant or Lagna is the first house of each horoscope and is considered as one of the most important parts of Vedic astrology. It’s on the Eastern horizon at the time of the birth of an individual and indicates the personality, attitude or events of an individual. All other houses in a horoscope chart are interpreted based on the Ascendant i.e., first house. Rashi chart has its significance in the Vedic astrology and the Ascendant is defined as per the house in which the moon is posted at the time of birth.