(The above image is from : http://www.bigskyastrology.com/beginners-corner-cusps-and-interceptions/)
The answer to this question is No you most definitely were not born on the cusp and neither was anybody else.
The term cusp (which derives from the Latin for a spear or point) has become commonly used when a person does not have access to either an ephemeris, professional astrologer or an astrological website (e.g. http://www.astro.com) , so is unable to pinpoint which Sun sign they are.
This usually arises when somebody has their birthday on one of the following dates; 20th, 21st, or 22nd of a month, just as the Sun is about to leave one sign and move into the following sign.
For example how many times have you heard or had a conversation yourself something to the effect of ‘I don’t know whether I’m an Aries or a Taurus, in one magazine it says I’m an Aries but in a newspaper it says I am a Taurus’.
If you do have your birthday on one of those dates and would like clarification as to what your Sun sign is, perhaps consider the following;
- Investing in a book called an Ephemeris which accurately lists the placement sign of the planets on any given day including the degree.
- Consulting a professional astrologer
- Visiting a reputable astrology website, e.g. astro.com
Hopefully in doing any of the above, the example used above would enable the person to discover if they are a Sun Sign Aries or a Sun Sign Taurus.