based on The sky map at the time of birth of the person

A "Horoscope" is the basic instrument created by an astrologer, for an individual, based on the date, time and place of birth of that individual.
There are a variety of styles used to prepare a horoscope, depending on the branch of astrology. This is a complex science (some prefer not to call it 'science', but that is a different story), and its basic function is to represent the positions of various planets in different zodiac signs (or "houses") at the time the individual was born, and their interplay. From this basic function, along with a host of accessory information, a competent astrologer is able to predict the future life of that individual.

Hth,
Sanjay.

I read in my horoscope that...

My horoscope said that...

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Note added at 10 mins (2004-06-02 02:02:20 GMT)
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About a PERSON:

He\'s a Pisces, so he tends to be a little... (mean, nice, grumpy, whatever is associated with Pisces people)

I\'m a Saggitarius, so of course I am very artsy and adventurous

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Note added at 11 mins (2004-06-02 02:02:46 GMT)
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excuse me, SAGITTARIUS

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Note added at 12 mins (2004-06-02 02:04:08 GMT)
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Today\'s horoscope said that you will experience great anguish...
This month\'s horoscope says I will meet the love of my life

I wish my father weren\'t such a typical Taurus.

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Note added at 13 mins (2004-06-02 02:05:11 GMT)
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http://www.dummies.com/WileyCDA/DummiesArticle/id-1681.html

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Note added at 17 mins (2004-06-02 02:08:59 GMT)
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http://astrology.about.com

Horoscope is a type of fortune telling. Since it is fortune telling, it is (so believed that) closely related to a person's course of life (fate). Though today it is being used to see a person's fate (of a day, a month, a year, as well as entire life from birth to death), in ancient time this was a method to foretell the outcome of war, etc. The combination of positions of twelve zodiacs (Aries, Pisces, Scorpion, etc.), the Sun, the Moon, the Planets, is supposed to affect the State's affair such as war, natural disaster, time of ruler's death, etc. The famous King David's six pointed Star is the most famous Astrological chart, based on the combinations of what I just mentioned. Horoscope also supposed to explain current affairs why such and such have happened to him or her.