Each person is born in or under one of the twelve signs of the Zodiac and is influenced by the planetary conditions at their time of birth. By referring to your sign, indicated by your date and month of birth you can determine your natural tendencies. No matter what sign you are born under, you can develop into a successful person if you pay strict attention to these ancient truths. Jyotisha is the traditional Vedic system of astrology. Some scholars believe the.astrology practiced in the Indian subcontinent came from Hellenistic influences, post-dating the Vedic period and the Vedanga Jyotishya, one of the earliest texts about astronomy.