With the help of a horoscope chart, the astrologers measure the correct location of the planets and zodiac signs along with this knowledge, and correctly forecast the native 's future, study his nature, interests and aptitude while zeroing down on the career best suited for him.With the help of a horoscope chart, the astrologers measure the correct location of the planets and zodiac signs along with this knowledge, and correctly forecast the native 's future, study his nature, interests and aptitude while zeroing down on the career best suited for him.