The ascendant is the sign that rises on the eastern horizon at time of birth. It is in effect our 2nd zodiac sign. The sign changes every two hours and it is important to address the exact time of the birth beside the place of birth.

The sun sign dictates your personality.
The ascendant represents what others feel about you. It also shows your attitude towards new beginnings and how much of an independent personality you may have. In a map of a woman ascendant will show her man characteristics and her attitude towards him.