Depending on what sign your Ascendant is, determines your Planetary chart Ruler.

Aries=Mars

Taurus=Venus

Gemini-Mercury

Cancer=The Moon

Leo=The Sun

Virgo=Mercury

Libra=Venus

Scorpio=Pluto (old ruler=Mars)

Sagittarius=Jupiter

Capricorn=Saturn

Aquarius=Uranus (old ruler=Saturn)

Pisces=Neptune (old ruler=Jupiter)

Check which planet rules your chart, what house it's located in and its aspects to the Ascendant. Is your Asc friendly or challenging to your chart?

Here is Jodie's chart:

Sagittarius Asc=Jupiter is the Ruler, located in the 3rd house of communication in the sign of Pisces. Opposite Moon/Uranus in Virgo in the 9th (the 'natural' home of Jupiter) Jupiter also is square to her Sun in Scorpio in the 12th.

Michael's chart

Leo Ascendant=Ruler is the Sun, located in the 5th house, its 'natural' home. Opposition to Jupiter in Cancer in the 11th