Decan

Columns: Sign | First Decan ruler ( 0 - 9.999 deg . ) | Second Decan ruler ( 10 - 19.999 deg . ) | Third Decan ruler ( 20 - 29.999 deg . )
Aries | Mars | Sun | Venus | Taurus | Mercury | Moon | Saturn | Gemini | Jupiter | Mars | Sun | Cancer | Venus | Mercury | Moon | Leo | Saturn | Jupiter | Mars | Virgo | Sun | Venus | Mercury | Libra | Moon | Saturn | Jupiter | Scorpio | Mars | Sun | Venus | Sagittarius | Mercury | Moon | Saturn | Capricorn | Jupiter | Mars | Sun | Aquarius | Venus | Mercury | Moon | Pisces | Saturn | Jupiter | Mars

Example questions:
What is the second decan ruler of the Ancient Egyptian astronomy sign spanning the first 30 degrees of celestial longitude ? | What is the first decan ruler of the opposite Ancient Egyptian astronomy sign to Aquarius ? | What is the third decan ruler of the Ancient Egyptian astronomy cardinal sign of the Water trigon ? | What is the second decan ruler of the Ancient Egyptian astronomy sign with a symbol based on the Scales of Justice held by Themis ? | What is the third decan ruler of the Ancient Egyptian astronomy sign known as The Archer ?

Answers:
Sun | Saturn | Moon | Saturn | Saturn